i started in the late 80's early 90's with an atari ST, and an atari TT
Currently i do some stuff for personal use, mainly using Fruity loops, Ableton Live (the best thing ever invented for live work :P), Cubase for sequencing, and Finale or Sibelius for Midi.
Main equipment is a main PC with a MOTU 828mk3 Firewire Audio Interface, and a Auzen X-FI Prelude 7.1 analog output card for teh music.
Midi is controlled by a basic Korg Kontrol49.
Its not much of a setup, but it stops me getting bored
Mainly do Dance/techno type music, and classical (im a classically trained musician, so have been brought up with all types of music!)