Here's a link to the article:
http://www.engadget.com/2010/10/27/exopc-slate-review/
She's harsh on the limitations of the ExoPC custom GUI and associated apps, and gives the impression that having to switch to using the full Windows 7 OS is somehow a bad thing, although does admit that she's reviewing a pre-production device with software updates coming thick and fast.
However, overall I think it's a balanced review, with plenty of good points, and you can't really fault her conclusion that a four hour battery life will limit the market to those who don't mind being near a power adapter.
Graham