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Things that make this image seem legit include a lack of blur (seriously, why does every "leaked" image or video have to be super blurry and hard to make out?), not to mention that this is clearly photographed from a monitor. We've checked and that Clank avatar is a real PS3 avatar. Not exactly conclusive evidence, but enough to keep us speculating, for now.
And speculating is all we can do, at this point. If the image is real, does it show a PS3 Gamercard? You'll notice that the trophy page is only one of three, so what's on the others? No doubt we'll see and hear more of this over the next few weeks in the run up to 2.40's release. Unless the image is fake, in which case we probably won't be hearing anymore about it for a long time. If ever.
[UPDATE] Take a look after the jump for more images, details on how trophies will work and some information on in-game XMB.
[Thanks, The Patriots]