I'll date myself here.....
Generic EGA graphics card for my XT 8088 (16 colors, woohoo!)
Generic VGA graphics card for my AT 80286 (256 colors!)
Western Digital 1mb (or was it 512kb?) VESA compliant graphics card (I bought this so I could play Simcity 2000, required 256kb of Video memory).
Diamond Stealth 2mb 6400 or something like that.
Diamond Viper v550 16mb
Geoforce MX440
Nvidia Geoforce 4200
Ati 9800 Pro
Nvidia 7900 GT
Nvidia 7950 GT
I might be missing a few here, and there's lots of other video cards I bought and used for my brother and parents rigs that I didn't list.