We just spent a few fleeting moments with AT&T's just-announced Pre Plus and Pixi Plus from Palm, and they're pretty much exactly what you'd expect: GSM remixes of the models available on Verizon (we weren't allowed to take a peek at the SIM slots, but rest assured, there's an AT&T carrier logo up there at the top left). Both devices seemed relatively zippy -- yes, even the Pixi -- though that can naturally change pretty quickly once you've got a few cards chugging away. We were delighted to see that Palm loaded our very own Engadget app on their demo devices -- a good way for booth stoppers-by to catch up on show news, eh? Check out the gallery below, and keep an eye out for more coverage throughout the da