While I tire of this argument, I think this is a great example of a multiplatform game that looks very similar on both consoles. If I understand this correctly, it was not only made by lesser known developers, but was also done with Unreal Engine 3.

Without further delay, here is the Gametrailers comparison video.

Not too shabby if I do say so myself. There are some slight variations though, but overall they're similar.

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Lens of Truth gave a comparison too,

http://www.lensoftruth.com/?p=14110

"This race was so tight, we had to go back to the video again and keep a score card per shot. To our surprise, the score card sided in favor of the PlayStation 3. The PlayStation 3 won with better mipmapping, better overall shadows, better self-shadows, a better camera view, and better light sources. It wasn’t a run away win, though. It is important to note that the Xbox 360 won for the glass issue, occlusion shadows, motion blur, and we even gave a point to Xbox 360 for having a cleaner texture on the Wayne building. The PlayStation 3 wanted the win so badly, it got exclusive with the Joker and it’s really hard to say ‘no’ to a clown. Although the exclusive Joker played no part in the video Head2Head, we have to say that for your money, you’re obviously getting more on one console, and that’s the point of the entire comparison."

Obviously you'll want to watch both in HD.

looks about the same on both. if anything the ps3 version is a little smoother

they look almost the same slightly better the ps3 but almost anything, they should compare the joker playthrough. only possible for the ps3 :P

any poison ivy comparison?

Amazing work, those guys can seriously make multiplats. I can't see any difference in graphics. Best looking game on unreal engine for me.

They look nearly identical, very few differences, and the ones I saw I couldnt decide which was better (Batmans facial hair for example, slightly different, but both still look great).

The only real noticeable things were the brightness, which is a simple fix, and slightly better anti-aliasing on the 360, but just barely, much closer than previous multi-plat games.