Chris Ziegler at This is My Next:

There’s an unexpected processor bump from 1.2GHz up to 1.5GHz of dual-core Snapdragon power. No change to RAM (still 1GB) or battery (still around 6300 mAh) — the battery life drain is “slightly more,” but there’s no specifically quoted times. The current unit here is using a special build of webOS 3.0, with so far none of the promised changes in the upcoming OTA update — not to worry, though, the upcoming firmware fix is coming to the 4G model, as well. The Kindle and HP MovieStore apps are both still stubs promising that the actual apps are “coming very soon.”

Regarding the HP TouchPad 4G for AT&T