just my 2 cents, on my 060@60/320*200 NTSC mode, clickboom latest version, double buffered c2p, the single player gameplay is very smooth with occassional framedrops here and thre (especially on more open ended maps), but still very enjoyable. Haven't calculated the fps, but it should be somewhere in the 20-30 range depending on the location. I can only assume that on 060@50 it'd be in the 16-24 which doesn't sound all that bad either.