вышли 91.47
http://www.nvidia.com/object/winxp_2k_91.47.html

в Release Notes (v91.47) в разделе Issues Resolved in Version 91.28 есть сообщение касательно Ил-2 ЗС -> SLI Technology Issues Resolved
• GeForce 7800 GTX, SLI: There is graphics corruption when playing
IL2: Forgotten battles.