What is this R600 everyone is talking about?Is it ati or nvidia?And that sub version of the GTS will be as good as the one that exists now?
The next big thing for computer gamers is the release of the new DirectX10 (DX10) API. When it is released (sometime this year), it will offer some truly revolutionary possiblities for game designers to use the graphics processor (GPU) in ways unimaginable in the past. So naturally, graphics chip manufactures want to create new GPUs capable of running this code.
The very first GPU to the market that fully supports the DX10 API is nVidia's G80 (the one used in all the 8800 series cards). The 8800GTX is the most powerful GPU on the market today, bar none! The 8800GTS is a derivitive, with slighty slower clocks, and part of the chip is disabled (to improve yield).
ATI has yet to release a proccessor that supports DX10, but they have one in the works, and it is currently slated for March (although it's been pushed back a couple times already). It's codename is the R600.
There is a lot of speculation on whether the R600 will be able to surpass the G80's performance, but it would be stupid for ATI to be this late, and release something inferior, so most believe that it will be more powerful. However, the G80 from nVidia has been out for a few months already, and my guess is nVidia is going to be very ready to release a newer version of the 8800GTX (8900GTX maybe?) that should be able to counter whatever ATI throws at it. Only time will tell.
As far as performance in current games, built on the DX9 API...any of these new GPUs are extremely powerful, and you can rest assured they will carry their weight for at least a little while.