Is it just me or is the Rig'n'Roll engine just really unoptimized? Judging by the graphics and from the other games that have run fine on my PC, I shouldn't be averaging 26FPS even after lowering the graphics options and using a resolution of 1600x900.
I'm using the latest NVidia drivers.
[ i5 2500K (@4.2GHz) / GIGABYTE Z77MX-D3H / 8GB Corsair XMS / GIGABYTE GTX460 1GB OC / 640+750 GB WD Caviar Black ]