name='Brooksie' said:AFAIK DX10 cards will be able to run DX11.
name='DavidT' said:Somewhat. DX10 cards are capable of running some of the improvements in DX11, but not all. Features like Shader Model 5 will require new hardware.
DX10 is far from being obsolete anyways. DX10 has been out since Jan '07, yet all games are still backwards compatible with DX9.
name='zak4994' said:Shader Model 5 will be something like the recommended for a game.
I still think DirectX 10 will go for at least a year as people having been dishing out a lot of money on cards just for the features.
name='DavidT' said:Well, DX11 will be released alongside Windows 7, which is expected to be released in Q3 this year. So we should probably start seeing DX11 games in Q4 if not Q1 2010.