When Dell first demoed the Inspiron Duo and its vertically rotating screen on stage at IDF in September, our mouths nearly hit the floor. It looked like a plain old netbook until its 10.1-inch capacitive touchscreen did a magical backflip and folded down over its keyboard to morph into a tablet. It was like nothing we'd ever seen before. And we actually figured it would be the sort of system that would stay locked up in Dell's labs, but when its specs were revealed -- a dual-core Atom N550 processor, 2GB of RAM, and
