ZX Spectrum 48k
PII 2.5 Ghz


and some others in the middle, can`t remember them all...

Atari
Sinclair ZX80
Commodore 64
Commodore 128
Amiga 1000 (yes that was first)
Amiga 500
Amiga 2000
Amiga 2500
286
386SX
386DX
486SX
486DX
486DX2
Pentium
Pentium PRO
PentiumII
PentiumIII
AMD Athlon
Pentium 4

I will not separate the mhz for those..Or list might go very long
:Graucho

486
Pentium 150mhz
Pentium 3 733mhz
Pentium 4 2.4GHZ

I seem to wait awhile between new computers. The 150 was the biggest pain, I kept that thing for a few years to long.