It's all in the news, too - Wal-Mart sold every last one online, in theory they should be back in stock by the 29th. The only place to find them right now is brick-n-morter stores until they run out, everyone seems to love them.
Here's a Wired hands-on:
Hands-On With Everex's $200 gPC | Gadget Lab from Wired.com
While not for me personally, I think it'll make a lot of folks happy who just need a stable box to browse the internet and do their yahoo/gmail now and then...