That's cool, probably doesn't use much electricity, but how much khash would this generate?
Suposedly it uses 1 to 2 W only and the CPU has a cryptographic acceleration:
http://plugcomputer.org/plugforum/index.php?topic=197.0Sounds very interesting for bitcoin.
EDIT: The 1 W propaganda of the webpage is just that, propaganda (as spected). In real life test it uses 4W when iddle and 11W when CPU at 100% with USB and network being used. Still its very very good.