It was a factory preset on my Oberheim Matrix-6R. It was the only synth I had that nailed that sound 100%. So an Matrix 6/12 or Xpander is the answer. K250 as controller/sampler.

Have:
Roland JD-800 w/memory card

Want:
Nord Lead
Access Virus or
DSI Prophet

Roland V-Synth. Not entry level, but the Version 2 is in your price range. Your style of music suggests you don't need acoustic sounds from a workstation.

Here is a link to an un-boxing of the Sub 37 (by someone else).