PC wins again! No, in all seriousness IMO the PS3 outshines 360 this time. 360 is more washed out and PS3 displays better blacks and lighting.

So from going through all these 360 is slightly sharper and has slightly better lighting/shadows.

Athlon 64XP2 4400+ Sapphire x1900XT 512MB 2GB Kingston PC 3200 74GB Raptor Runs Ultra High settings at 1280x768 with 64 FPS on average