does anyone know when the 512mb versions of the new graphics cards are coming out? if so will they be that much better or shud i just go out and get me a 6800ultra or something?
Not many games (or systems for that matter) utlize the full 512MBs of the cards. There have been problems with this in the past, and will be in the future.
The only real need for 512MB cards is for people playing games in OpenGL.