Fine. At significant dates, say quarters or halves, or years, whichever's viable and significant, you could include also launch and time aligned comparison charts amongst Move, Kinect, WM Plus and Balance Board, to get a quite immediate idea of the respective sales curves... Although since Ninty started bundling WM Plus with Wii almost everywhere, the comparison with it is less significant, before that happened the earlier launched and widely appealing Balance Board surely ruled, both launch and time aligned.

Ok, unless you made exactly the same complaints when exactly the same thing happened to the Balance Board, and Wii Motion , then you do not have the right to complain now

But then suppose that I buy a new PS3 becuase of YLOD. I suppose that developers/companies/you would still be interested in userbase in that case as I would only be able to buy 1 game but not 2. Argument has been posted before with quite significant frequency in relation to hardware malfunction.

if that were the case, this thread wouldn't exist, or would be posted by someone else. Someone who couldn't care less might reply to a thread like this, but certainly not make the thread. Some people obviously don't like the way sales are tracked because they wish to flaunt move sales in the future, and this method obviously makes that a lot more difficult.

Twisted logic there.

PS3s replaced due to out of warranty failures still count as a sale according to VGChartz

PSeyes replaced due to out of warranty failures still count as a sale according to VGChartz

Additional PS3 controllers bought do NOT count as a sale according to VGChartz

Additional Move controllers bought do NOT count as a sale according to VGChartz

Sounds pretty consistent and sensible to me. What exactly was your problem again?

Discussion centered around the idea that userbase is what matters for Move. Definitely not so for consoles. Pretty simple logic here.

No. I prefer to see total numbers. 

I think the tracking of PSeye move controler is a great way to estimate the sales.

And they accounted 25% for PSEye owners that buy a controler.... this on the other hand might be a bit low in the first week, as someone who did buy the PSEye may be more inclined to try the novelty that is move on release.

However in the long run, it should be even less than 25%, some people will buy 4 controlers to play with friends (heck I had 7 PS1 controlers and 2 multitaps).

On the other hand, if you reallywant an estimate number, you can also track the sports champion sales... as it'd be a bit idiotic to buy move and not this, which is the current main attraction for it. (for info, wii sports was above 50% penetration in japan where it sold separately... with the lack of content for the move, you should assume SChamp is at least at 90% penetration in the first weeks).

Wait, why does userbase not matter for consoles?

LOL XD , good one

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@ioi

Now after you mentioned the  "active userbase"  thing , it actually makes more sense .