“U.K. firm Jade Integration has unveiled a computer so small, it fits
into a wall socket and is powered via Ethernet. The Jack PC, a rival to
the smallest PC in the world,
can hook up to a standard monitor, keyboard, and mouse, and runs
Windows CE, the stripped-down version of Windows often used in portable
devices”

up to 64 MB of flash memory and 128 megs of RAM

http://blog.scifi.com/tech/archives/2006/06/01/a_computer_so_s.html