"What you probably want to know is what's different between the two versions, and based on our fifteen minutes with each one (PS3 first to jog our memory, then 360 to see the difference), we think that the two versions are fairly similar visually. The PS3 version looks marginally less refined to us, but anyone looking to start a console-superiority argument wouldn't have much ammo here. Both games look amazing. It's the controls, however, where we felt the biggest difference.
Argue however much you will; after five and a half years of hacking, slashing, and shooting demons, we and millions of gamers are very accustomed to the feel of the PlayStation controller, be it Dual Shock 2 or Sixaxis, for the DMC experience. Our gripe with the Xbox 360 demo is that the controls feel too directly ported over to Microsoft's controller, and it's not a good ergonomic fit..."