As far as the multiplatform owners, the anecdotal evidence seems to me that folk tend to lean more towards a 360 purchase than a PS3 purchase, if only for achievements.
That's certainly the case for multiplayer games, where the "my friends are on that platform" effect comes into play, but I'm not sure the same logic holds for a singleplayer release.
Of course, all bets are off if it turns out that there's a difference in quality or content between the two versions e.g. crappy framerate or exclusive DLC.
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As far as the multiplatform owners, the anecdotal evidence seems to me that folk tend to lean more towards a 360 purchase than a PS3 purchase, if only for achievements.
That's certainly the case for multiplayer games, where the "my friends are on that platform" effect comes into play, but I'm not sure the same logic holds for a singleplayer release.
Of course, all bets are off if it turns out that there's a difference in quality or content between the two versions e.g. crappy framerate or exclusive DLC.