According to Engadget (who is on site), the system will tout an "all-day" battery life, and will set a new standard for stamina. There is nothing official about what will power the VAIO X at launch, but Engadget is reporting that they hear it packs an Intel Atom. That said, nothing is locked in and there's no telling if CULV-based models will be available.
After watching a video shot by NetbookNews, I have to admit that while attractive, the model they handled was looking a little fragile (watch the display as it's opened). Sony is expected to announce an official spec sheet next month, and the VAIO X will hit stores about a week after Windows 7's October 22 launch. Does anyone want to take a stab at the MSRP?