Yamaha AN1x, CS1x and the Roland JP8000 are cool.
AN1X is definitely one of my favorites. Always has been.The filters on that synth are VERY close to the real thing. Portamento and pitch is supersmooth comparing to other Virtual analog synths. I also like the fact that you can "travel" between two patches with the mod wheel.
-ED-
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A gentleman is one who never hurts anyone's feelings unintentionally.
- - - Oscar Wilde