Over at WidescreenGamingForum.com, someone ran some tests with a GTX 275 896MB, a GTX 275 1792MB, and a GTX 295 at resolutions we are not used to seeing, up to 5040x1050, which is 32 percent more pixels than 2560x1600:
http://www.widescreengamingforum.com/wiki/index.php/WS_and_WTH_Benchmarking_(GTX_275)
More fodder for the debate about when more than 1GB is worth it.
http://www.widescreengamingforum.com/wiki/index.php/WS_and_WTH_Benchmarking_(GTX_275)
More fodder for the debate about when more than 1GB is worth it.