one could argue what made it great was that it only has 5 parameters that affects it's sound and it's sequencer, (and it was a total flop financially for Roland and could bought 2nd hand for like 50 bucks in Detroit. and dance music is better for it!)

and as per the subtractive synth that change music the most...I'm going to go with Moog or mini-Moog, without them there's no 303, 101, Juno, Jupiter, etc.

I love me some good acid-house though, and much rather have a 303 then a mini-moog. :)

Thanks to Uli, I can afford the both. And a 2600, etc.