Here are some pictures of the computer I put together to mount under the poodle shelf in the trunk.
It is a PIII 866 MHz, w/ 384 MB RAM, 80 GB, 250watt power supply. Haven't decided front end yet. I basically just took an old case and cut it up into this thing. It is 8.5" x 4.5" x 13". Big, but it will work
Now all it will take is some time and effort to get it all done. Any suggestions on layout?