Pretty cool 360-ps3 GTAIV comparison...

http://kotaku.com/384422/which-version-of-gta-iv-should-you-buy-we-compare-the-ps3-and-360-versions

We've played both versions of GTA IV—quite a bit, actually. We've noticed a handful of differences, some of which you know, some which you may not, many of them hair-splitting. We break it down, from frame rate to controls, after the break.
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You should listen to your heart, and not the voices in your head. - Marge Simpson