In chronological order - not cpu power order! (only posting my most powerful comp if I had more than one computer.
Z80@1.77 trs80/4
8088@4.77 tandy1000ex
68030@25 mac se30
8088@4.77 used tandy1000sx (Mac was taken when parents divorced)
6502@1mhz vic20 (tandy died)
6510@1mhz c64 (someone felt sorry for me - gave it to me)
80386sx@33 Tandy 2500 (Finally, windows 3.1 and a HD )
80286@16 (the tandy broke

)
80486DX2@50 (Discovered Frys mb/cpu combo specials)
80486DX3@75 (Discovered Chinese computer store mb/cpu specials)
Cx586/150
80486DX4@100 - Cyrix blew chunks.
P2/300
Celeron 433 Laptop
G4/450
Celeron 700 Laptop
P3/866 - Someone gave it to me.
Duron 800 oc'd to 1.2 i think?
Athlon XP 2200 or something like that.
Athlon 1600 (found in the trash - brother stole my computer)
Celeron 430 Laptop - current machine