Here some tweaks to improve framerate.

[blitze]

Thanks for this,

Did some runs over London free flight with 8 110's and then another with 2 Tigers and although there was a little stuttering - things were fluid.

1680 x 1050
Intel E8400 @ 3Ghz
ATI 4870 1Gb Vid Card
Windows 7 x64 Ultimate
SSD 120Gb primary drive and 1Tb 10k Secondary drive (COD Installed there).
4Gb Ram

running -mod=nossao -mod=lowtex in steam game start options.

All settings on High with 2xAA