The Atari 800 with the 16k memory expansion module, and I even had a cassette drive to store code on. That and it ran Donkey Kong better than anything else at the time except the arcade game!
in reply to My first computer was...
From there, Apple II, then 286, 386, 486, Pentium, 586, Pentium MMX, Pentium II, Alpha "Tin Cup", Pentium 3, Athlon, StrongARM, Pentium 4.
Currently own and run: PII 400 laptop, 2 x Dual P3 600, PII 400, Ahtlon 1 Ghz, P4 3.06 Ghz laptop, P3 600 laptop, and some P3 Compaq tower POS. All have thier function in my increasingly digital life :)
"Nothing is sure but death and taxes" I say combine the two and its death to all taxes!