Check this out, its the no case computer. All the components are built into the keyboard.
http://www.designtechnica.com/article.php?sid=750
Intel Pentium III (866 or 1GHz) or the Celeron (700/850 Mhz)
The motherboard has a 133Mhz Bus Speed.
64 MB of RAM up to 1GB.
2 Serial, 1 parallel, 4 USB, 2 PS/2 Ports.
Integrated 10/100 Ethernet with W.O.L ( Wake On Lan ) support
64MB 3D AGP 4X XVGA Video
AC’97 3D Sound with Built-in Speakers
1 PCI Expansion Slot
20 GB 3.5” IDE Hard Disk (7200RPM)
CD/CD-RW, DVD, Floppy drives (optional)
56K Internal Modem (optional)
Dual Video/DFP/TV-Out (optional)
Looks like these units start at $485
For buying info,
https://www.cybernetman.com/default.cfm?DocId=608