Batman: Arkham Asylum on PC (outside of a lower price and PhysX graffix) is the ability to create custom skins. The community has quickly gotten to work and flooded the official forums with screen grabs of the various outfits modders have designed. Aside from the obvious The Dark Knight and classic Bats skins, there's a neat Green Lantern variation and, pictured above, a recession-conscious Batman opting for Old Navy–esque cargos instead of the usual rubbery expensive stuff. Hey, they breathe better, right?
Hit up the thread to check 'em all out.