Viliv's S5 MID, the little machine that packs the Vaio P's Z520 processor in a legitimately pocketable form-factor, just got a breath of fresh air. It's an HID (human interface device) driver for Windows 7, boosting the machine's touchscreen abilities and enabling the breadth of Windows 7's tablet functionality. According to Uber Tablet this greatly enhances usability by, amongst other things, presenting the Windows tablet keyboard rather than relying on the accessibility version and enabling better calibration. The driver being used here is legitimate according to reports we've read, but it is not signed and doesn't appear to be an official release from Viliv, so you may want to exercise a bit of caution before you install -- but don't wait too long. This sounds like a pretty tasty update.