Sony Vaio VGN-UX1XN

Take a dose of Windows Vista, add a fingerprint reader, two cameras, a touchscreen, a keyboard and encase it all in the most portable computer we've seen for a long time. Yes, it's Sony's latest UMPC, and it promises so much. Trouble is, the keyboard is a royal pain in the proverbial to use. So what do you think -- hit or miss?