DanceMidiSamples has released DMS Ascension, which they describe as a 64-bit workstation synth for Mac and Windows. This is what they have to say about it...
Why DMS Ascension? We've crammed over 20 years of production experience into Ascension with the goal of creating an essential tool for anyone making EDM or synth-based music. Our ultra-powerful dance music workstation is a cutting-edge synth, with a huge ROM sound library and a vast collection of tried-and-tested track-ready royalty-free MIDI files in one glorious package. Everything you need to make an EDM classic.
Pricing and Availability:
State of the art for super-wide workflow enhancement