On the news, I just barely got done watching someone showing off a tiny, tiny computer that can fit in your hand. You can see it here (http://www.xi3.org/news8.php).
A choice of ARM or x86? Interesting indeed. Seems a little expensive, though.
Way ahead of ya! (http://www.plugcomputer.eu/?page_id=318) (I can't seem to find any pricings right now, though.)
You also want to google for mini itx (http://www.google.com/search?q=mini%20itx) and pico itx (http://www.google.com/search?q=pico%20itx) mainboards.
Tower of Necromancy...
:locked
EDIT:
For what it's worth, that's an interesting link. Just very late.