I'm glad your comparison is unpartial and unbias

What the hell? I'm AGREEING with you and suddenly you accuse me of having an agenda with no basis whatsoever?

I'm just warning you that nobody will listen to you if you make such one sided posts like that, even if you are right, people will dismiss you as a fanboy.

And how is he right?

He pretty much said every PRO on 3DS is suddenly a CON and listed a bunch of pointless PROs on Vita.

See bolded for context. If people choose to be wrong and ignore truth that is their choice and forever in ignorance they shall be. 

The points that are left are the ones where you have a case (and the bolded ones are those where you only sort of have a case).

3DS

1. Nobody said anything about exclusive franchises. And anyway, the 3DS still has stuff like Professor Layton, Phoenix Wright, Resident Evil, Metal Gear Solid, Kingdom Hearts, etc.

2. The only way it would have been a con is if it had been made with glasses.

3. You're sort of correct, though I think the original phrasing is fine as well.

4. What lack of third party support? How do you measure this? And just because the 3DS doesn't have a slew of great third party games right now, doesn't mean it's not getting support.

5. Sort of correct as well, though I personally fail to see how it would have any impact on how the 3DS performs overall.

Vita

1. True.

2. There's no need to mention developers, just show the games. But until we see release dates for those games everybody seems to be working on, the Vita is no better than the 3DS.

3. True.

4. Uncharted is not on the level of Monster Hunter, and until there is an actual Monster Hunter game confirmed for the Vita, MH has no business on any list of pros for the Vita.

5. It's a matter of interpretation. Yes, the cheapest Vita SKU will be the same price as the 3DS was when it launched, but the 3DS is notably cheaper when the Vita debuts.

6. No UMD option is a bad thing for all those PSP owners who sit with their unplayable backlog. Sony wouldn't have had to build UMD support into the Vita, merely give people a way to play the games they already own on a console that is backwards compatible with their games.

3DS

1. Then it should be in pros for PSV too or not on the list at all. As psv is getting most of those franchises and many many more.

2. I'm not saying it's a con, I just don't really see it as a pro. 

3. It should only be one point, maybe reworded as "headstart including unopposed holidays in EU and NA"

4. Third parties are pulling out not more diving in and that's with a headstart, with psv it seems to be the opposite. 

5. Thought we were talking about the merits of the device not how much it would sell. It's a con. 

PSV

2. Don't you think that's a little unfair, tons of games are being made for it and a ton of devs are getting behind it and more are comming, how is that not a pro? Just because the device isn't out yet? 

4. Really that's the arguement you are going with. Uncharted is definately a system seller saying otherwise is just wrong and it's not on a list it's just well known to people who are going to buy psv that they will get a monster hunter game, so I don't see how one being on 3DS too will effect that. Not to mention you'll already beable play the psp monster hunter with the second analogue on psv. 

5. To me that just goes in with the headstart thing and seems a little redundant. 

6. It remains to be seen if any accessories will be out for psv that lets you play UMDs, and again no UMD is a pro for the actual system, it shouldn't be on the list.

Also, really you think 3DS should get 3rd party in pros and Vita shouldn't despite vita having much more third party support?

He's right in saying that Monster Hunter will come to the PS Vita inevitably and that 3rd party progress is pretty weak overall (thank god for Capcom). He is also right in saying that a year earlier release isn't always a pro, it was for consoles like the Xbox 360 but definitely not for a console like the Dreamcast, it's too subjective to be in the "Pro" section.

Most of his other 3DS cons were complete crap though, I mainly agreed with his Vita pros such as:

Backwards compatibilty with the PSP is pretty huge (should be listed in the 3DS section too). Third party support seems strong for Vita, but Nintendo said the same back when the 3DS was revealed and look at it now, it's too early to judge that one, I'm not touching it. 3G is also a pretty big pro, imagine Call of Duty online on-the-go. As for no clear system selling games, I think the PS Vita does have enough of these, I would say the PS Vita has the same amount of system selling franchises as the 3DS but but nothing on the same level as games like Monster Hunter, Pokemon or Mario.

The PS Vita and the 3DS are debuting at the same price, like he said. If the OP was referring to the price of the consoles in the same time frame then I don't think one being more expensive could be considered a con, especially when things like value for money come into play. Also, the Vita not having UMD is obviously a huge pro, the UMD drive is bulky and sucks up power, why bother with it when you can download the same PSP games digitally...minus Crisis Core. >=(

I divided your post into different parts.

1. 3DS has full backwars compatibilty, Vita has that for PSPgo releases (and that excludes some pretty big games).

2. 3DS has a strong support for 2012, and about the Vita, it is indeed too early to tell.

3. Agree.

4. Then that is the point, Vita doesn't have huge games like Mario, and there is not a MH for Vita yet, so even if it is coming, you cannot list that as a Pro for Vita, or Pokemon for Nintendo.

5. So what? The current price for 3DS is lower, people won't see that older pirce, but the current one.

6. Then it should ultimately be a PRO with 3DS, but that would sound silly, wouldn't it? And let's not forget about the Point 1.

1. The games can easily be added to the store later, and psv has enhanced BC, they both have BC and older games (virtual console) avaliable for download, it should be a pro for both but TC only put it as a pro for 3DS.

2. It's stronger for psv then it is 3ds and he put it as a pro for 3ds... 

4. Again saying psv has no system sellers is just wrong and there hasn't been a pokemon game annouced for 3ds yet. I didn't say to list it as a pro I said to take it off as a con. 

5. At the very least it needs to be rephrased. 

6. It shouldn't be in cons it should be neutral, and again it remains to be seen if there will be an extreme UMD add on released for psv and the games can easily go to the store. 

3DS

1. Debatable, I'll leave it to the OP to decide if it should be fitted under the Vita as well.

2. Agree to disagree then?

3. Different strokes I guess, I still don't see a reason to actually change the OP for it. It's not the size of the list that matters, it's how you use it.

4. How are you judging that third parties are jumping overboard? Admittedly, a few games have been cancelled in the last few months, but several games are still coming along nicely, and new ones have been announced. I don't see how that's a "lack of third party support".

5. I'll rephrase then: I don't think it matters.

Vita

2. The 3DS had a huge list of developers supporting it before it released as well. A list of developers who support a platform proves very little.

4. You may think MH on the Vita is certain, but this is a list of real pros and cons, not guesswork. If it's not confirmed, it has no place on there. Guessing that everyone is expecting a Monster Hunter game on it, and therefor it's a system seller is even worse. And I'm not saying Uncharted doesn't sell systems, I'm saying I don't think the effect is significant enough. If Sony had put Gran Turismo on there, it could have been a whole other story.

5. Maybe a rephrasing would be better. The Vita is expensive after all.

6. Sony have said they're looking into a solution for Japan, but nothing is currently planned for the other territories. If you live outside Japan, right now all we know is that Sony don't have any plans to help with playing your UMD PSP games, and that's why it's a con.

As for the last point, refer to 3DS #1.