Obviously, the PC looks best. Xbox 360 is right up there. PS3...bleh. The PS3 version of F3 looks like crap compared to PC and 360. I prefer the 360 graphics than the PC version.
The 360 picture is definitely sharper. The PS3 is good for F3 but you can clearly see the 360 has the better graphics on this one.
Warheart1188's comments