Deja View
http://www.mydejaview.com/pages/2/index.htm
(I really want one of these.)

OQO
http://www.oqo.com/hardware/basics/ (pre-order only)

Presentation remote
http://www.thinkgeek.com/gadgets/electronic/630b/

Soundbug
http://www.thinkgeek.com/gadgets/electronic/5a15/