HDMI, some USBs, a nice screen and flippy camera. Also Android, which is spectacularly easy to develop for, so easy even I can do it :-)
They mention a June release date, although Engadget appear to have a story on how mobile operators (as is their wont) are holding it up, some wanting it out for thanksgiving (because 95% of the population of the world give a shit about thanksgiving) and some the summer.
This is what a tablet looks like. The iPad is a laughable toy compared to some of the devices we'll be seeing over the next year or so..