Originally Posted by LordJuanlo
says that Diablo III will support DirectX 10.1 and Havok physics. So that would explain why ATI has an agreement with them. I hope Diablo III will perform great with ATI 4000 series, we already saw a great AA performance in Assassin's Creed DX 10.1 before it was removed.
The FAQ that they're referring to doesn't mention a word about DX10.1 or Vista. INQFAIL