I built this machine for a guy who wanted to be able to replace DVD drives. It is fully loaded for just that task!
Here's what it is...
Micro ITX PC with WIndows XP, iPrep and more!
Virtually Silent
VIA C3 EDEN Class Processor (1.0 GHz)
512 GB DDR RAM
160 GB Hard Drive
180W Power Supply (230/115 Capable)
External Sata and 4 pin molex on side
Rear Panel:
VGA
DB9 Serial COM port
Printer port
PS/2 Mouse
PS/2 Keyboard
4x USB
2x 10/100 NICs
3 port 2 channel Audio
Chassis Dimensions:

11.75" (L) x 10.24" (W) x 5.31" (H)
This is a tiny PC, easy to tote around, and tales up very little work space. Includes everything except a monitor for working on Xbox 360. All connections are external, no need to have the pc open to work. This Pc is not built for or suggested for anything other than it's intended purpose.
Also included:
1 mouse
1 keyboard
1 Connectivity Kit w/ Sata Cable
1 360 HDD connection kit
1 Serial Liteon Probe w/ power connection, ground, and probe
1 USB stick
Several programs that will assist you on most of your xbox 360 needs
$500 shipped o.b.o. Sorry will not part out anything.
I also have the following FS
Xbox DVD to PC adapters w/ sata cable $20
Xbox DVD to PC adapter w/ sata cable and Liteon Probe $35
Xbox HDD to PC adapter (sata or USB) $10