The story below has been updated with information from Sony's VP of marketing John Koller via the official PlayStation Blog.
Sony confirmed today that the PlayStation Vita Slim (also called the PlayStation Vita 2000), a lighter, smaller version of the Vita handheld will be coming to the US sometime "this spring."
LCD instead of the OLED of the original -- our UK editors haven't noticed a significant difference in visual fidelity, but we're putting together a more in-depth photographic comparison
Longer battery life: 4-6 hours versus the original Vita's 3-5 hours
1GB internal memory (same as the original)
In addition to the standalone hardware we're already familiar with, the wi-fi-only system will also ship in a Borderlands 2 bundle. This bundle will cost the same as the current Vita model ($200), but it will come packaged with:
Borderlands 2 for Vita
8GB memory card
Borderlands 2:
Will let you cross-save with Vita, comes with
All of the Borderlands 2 DLC packs (though this is likely packaged with all versions of the Vita game)