for DA:O in particular, the ps3 seems to have a more defined difference in both colour and detail. but for most of the other games compared, the ps3's is usually just darker, and the 360's is just more faded.
i didn't notice much except for the fact that the ps3 version was brighter/lighter... 360's looks more faded. either way, with such a small difference, it doesn't really matter to me.
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