Acorn BBC Model A
Acorn BBC Model B+ 128K
Acorn Archimedes 305, 420, 440, 420/1, 440/1, 540, A4
Acorn 6809 2nd CPU
Acorn System 1 keyboard and display module
Amiga 3000
Science of Cambridge MK14
Boxed Sinclair ZX80
EACA Video Genie II and III
Tandy TRS-80 model 12 and 16
Atari 1400XL (heh) and XLD (bigger heh)
Atari SuperSystem 5200
Atari Mega STe
Atari Falcon
Atari TT030
Atari PC-5
Atari ABC-PC
Grundy NewBrain Models A (without display) and English AD (with)
Floppy drive interface for a Spectrum +2A
Radofin (Mattel) Aquarius II
Mattel Intellivision II
Oric Stratos
Oric Telestrat
Dragon Professional (only 12 built, fact fans!)
COMX35
Apple LISA 1
Widget internal drive for the Lisa 2/10
1.8A Switching Power Supply for the Lisa 2
Apple 1 (*rofl* <wipes tears from eyes>. Why did I even list that? Then again people have found 'em in skips before)
Apple ][
Apple ][cx
Apple ///+
Apple Mac (Model M00001)
DECMate I
DECMate II
DEC Pro 350
DEC Pro 380
DEC MicroVAX II (I've *binned* these before.....*sob*) BA23 box.
DEC VT102 (no comment)
DEC VT52 (see a theme building?)
DEC VT78
DEC VT180 (aka "Robin" - had one of these as well - CP/M machine, still got the disks!)
Osborne 2
Memotech SDX floppy drive interface.
Spectravideo SV-10
Spectravideo SV318
Spectravideo SV328 mk 1
Texet TX8000 (also known in Australasia as the Dick Smith VZ200)
HH Tiger
Exidy Sorceror II
Atari colour monitor

ZX81 gamestapes, specifically Michael Orwin's Tape #1 and #2, 3D Monster Maze, Asteroids and Mazogs
Enterprise 64 software
Oric software
Sord software
Video Genie software
Aquarius software
Jupiter Ace software
CDTV games
CD32 games