I have some relatively rare stuff (see my sig for most of them).
Not in my sig at the moment (lack of space) are:
MicroProfessor MP-1 issue 1 (Still working)
Enterprise 128
1x MSX2 Philips, with 2x drives and 512k RAM.
3x MSX Machines by Toshiba, Pioneer and Sony (HitBit....Has rare expansion box and disk drive too)
Memotech Video Wall system...complete (computer, driver/control box and graphics cards/chassis and software)
3x more MTX500/512
An old Cyrix 383/486SLC Laptop running Windoze 3.1
3x Psion LZ64 with temp/voltage probes, Datalogger, comms link, many data/ram/flash paks etc.
Amstrad NC200
HP100LX (2MB)
Spectrum +3
Amstrad 6128 with MP2 Modulator/PSU
Casio PB410 x2
Casio PB100
Palm M100
64k Memotech RAM exp for ZX81 (Boxed)
Oh, and I have a Kingston SX-Now 386 upgrade (with Cyrix Fasmath co-pro) in my A2286 Bridgeboard.
Radio wise...
3x Bush Dac90a
2x Bush Dac10
1x brand new Ruark Audio R1
TV wise...
1985 Ferguson MC09 TV/Monitor with RGB, SCART and compo inputs...brilliant kit....comes with a special Spectrum RGB interface for it.
1989 Citizen 2" colour pocket TV....works ok with old computers and with a freeview box! (wish I could find a tiny pocket Freeview box to work with it).
Software wise...
I have 3 original working DOS versions of Autocad...better by far than the Windows variants
2 DOS versions of Derive
DOS Mathcad.
A few Spectrum Interface 2 carts as well.
K6