Not counting PC's ...
>TI99/4A (Looking for a new home)
>Commodore PET
>Sinclair ZX spectrums and ZX +3 (Also looking for a new home)
>Intel 4040 development kit (Programmed in hex, these units were sold to the military and universities just as processors became available).
>Not so much a computer - A FORCE card with 68020 and 68882 - Used in mobile phone basestations. Might post some photos some time.