Wow, YAP2 is bringing my computer to it's knees, and I don't think mine's too shabby...? Any suggestions please for performance improvements...one thing I know is that the clouds are an absolute killer...

Steve
Q9450(2.66Ghz@1333FSB), 4GB DDR2-800MHz Dual Chnl, 512MB NVIDIA GeForce 8800GT, Raptor 10K-74GB, Hitachi 51F59 51" DPTV, Creative SB X-Fi XtremeGamer, Saitek X52, CH Rudder Peds, TrackIR 3, WinXP Pro/SP3

Swam,

Try changing to one of those other Environment inis to start with. Also in game, try lowering textures, and/or turning off mirrors and shadows.