too bad the PS2 died...Currently owned:
1/ Casio PB100: 512bytes RAM (expandable to 2kb!!), tape storage. My very first 'computer'. Runs on 2 CMOS batteries, and still works.
2/ Commodore C64: 'Round-case' model, Twin disk-drives (running GEOS) two C2N tape drives, and a 'Freeze Machine' cart.
3/ Amiga A500: 1MB RAM, external second disk-drive. No HDD, sadly.
4/ HP Pavilion 6617: Celeron 566/256MB RAM, 40 HDD. Runs Win 95/95C.
5/ Gateway 'Essential': P3/766Mhz, 384 MB RAM, various HDDs, 15" 'Diamond' LCD monitor. runs Win 98SE, Win ME, Win 3.1
6 Acer Aspire T310 desktop: P4/2.8Ghz, 1GB RAM, 40GB HDD, 64MB GeForce 4. 17" Hyundai CRT monitor. Currently spare, but loaded with Vista Ultimate 32-bit.
7/ Acer Aspire SA10 desktop: P4/2.8, 1 GB RAM, multiple HDDs, GeForce 5700FX/256MB. Twin DVD drives, and several extra fans. 17" Samsung LCD monitor. Running XP Home SP3 (for gaming) Vista Ultimate 32-bit, and ME. Also runs my NT4 setup and DOS 6.22/WfW 3.11. My main gaming box.
8/ Acer Aspire AS5735 laptop: Core 2 Duo @2Ghz, 3GB RAM, Intel gfx, 250GB HDD. Runs Win 7 Ultimate 32-bit. My 'mobile' computer.
9/ Acer Aspire 'ETHOS' desktop-replacement laptop: i7 Sandy Bridge quad-core (i7-2670QM@3.1Ghz), 8GB RAM, 2GB GeForce gfx, 2x750GB HDD, runs Win 8 Pro 64-bit w/WMC. Several other OSes in Virtual-Box. My main machine, used daily.
PHEW! I think that's all of them.
Oh! there's a couple of PlayStations as well, and a non-functional PS2.