How do you even have that value of ram??What cards do you have installed?
I can get 128k bricks loaded fine without any FPS problems:]http://i43.tinypic.com/j0b79l.png
that looks like it would be really fun to have a death match on.
Yeah, I had one in slate. I think I ended up swithcing to Destruct Dark and using a console command to make all the bricks black, along with hiding player names (V10) ;DOne intense DM.