... will we see Wii games being ported over to the PS3? Developers like EA want to use the Wii as an easy and cheap way to make cash. Would it not be in their interest to port their Wii games to the PS3 to maximize potential customer base?

Will this in turn, give Sony the necessary 3'rd party lineup they need when they will release the "PS-Mote", and in turn, be bad for Microsoft due to developers choosing between the combined customer base of the Wii and PS3, vs the 360's, especially when they're familiar with the Wii Mote's technology (and in turn, the PS Mote's) and they don't have to make an entirely different game for NATAL, while they can just port the game for the the PS3?

NOTE: This is not a thread to bash NATAL. This post isn't commentating on NATAL's merits as a motion control, nor discussing it's features, positevely or negatively.

Probably but i hope it doesn't become sony's main focus.

But that's my point. While Microsoft will, I'm predicting and guessing, need to have heavy first party support for NATAL (as I'm sure their first party games will be of the best quality vs. third parties), while Sony doesn't need to focus as much, since they're guarunteed a line up due to 3'rd party support for the PS-Mote.

But all these big 3rd party companies already have their own engine(which they put big money into) for the HD systems and a seperate one for the wii.

Wii to ps3 would be hard to do because they havent optimized their engines for such a task(probably no developer has because usually wii games are outsorced to another developer) and it would probably cost big money for it to even work. Also with the recession , companies would not want to venture into unmarked territory with all the risks and what not.

Bottom line is that wii will always be known as the motion control system as it has been engraved into the head of the consumer ,and developers know this. The market is just not there in both the HD systems.

Not necessarily.  Just look at the Call of Duty engine, or what EA and Capcom are doing with Dead Space and Dead Rising.  There are a number of engines that work across all three platforms.

There are Wii/PS3 capable engines out there, and even Squilliam mentioned that the MC aspect could be quite easily ported between the two systems, so I don't think it's impossible.
Obviously no Nintendo 1st part games, but stuff like EA sports active or whatever it's called? definitely possible IMO.

Well, I guess they could just use the EDGE tools engine Sony is giving out to devs for free to recreate Wii games for the PS3.

Personally I wouldn't be surprised if some came with a bit sharper visuals and AA (no total conversion with the whole processing power of the PS3 used) down the line.

Dead Rising:Chop till you Drop runs on the RE4 engine...

The dead space engine was made with getting into the middleware market in mind so they had to make the engine easier to port to other systems....

Remember the J man isnt saying it is impossible because these are big companies but even so they know where the market is with MC games and wont deviate from that market because of the times that we are in.

I doubt it. Firstly, a port from Wii to PS3 would be a port up. The game would need significantly more detail (and features) to justify that extra power being used. This would also take a fair bit of money.

Secondly, the Wiimote comes with every Wii, which means that every single Wii will be able to use those motion controls. Sony motion control will require a Playstation Eye AND a PS3Mote, which could easily add on an extra $100 together. The userbase would be significantly smaller.

Thirdly, the PS3 and Wii motion sensing is very different. While the Wii motion sensing is picked up by a sensor bar, and uses two dimensions, the PS3 motion sensing is picked up by a camera, and uses THREE dimensions. You can move forwards and backwards in the game. And it has a coloured orb on the end!

So in short, no, this wouldn't happen.

Being on the PS3 does not mean you need to use it's extra computational power. Look at many PSN games and Disgaea 3 if you need proof.

It's not expensive to tack on a control scheme (especially ones that already exist).  Even if not every PS3 has a wand it takes next to no expenses to add the option.

Though they attain the data about controller location differently but the API's behind them will be the same meaning developers wont have to do much anything different on the coding side. 

So in short it's probably going to happen. 

Where Sony is lucky is that Western Developers don't see the PS3 as a toy so they may get even more of those PC like games that involves pointers as well. A real version of Civilization, Diablo, StarCraft and other games would be rad.