Originally Posted by Xan
If GTAIV is running on a console, that means it won't be DX10 exclusive unless they actually modified it to support it. I've read that one of the consoles doesn't support DX10 naturally, but they can still replicate the DX10 effects. I think it was the PS3?
So unless Rockstar wants to work harder for less money, no problem.
True. But they may also use GTA IV PC as a testing grounds for the RAGE engine running on DX 10. Remember that RAGE is an in-house engine, they will also use it for the rest of their games such as Midnight Club LA.