@TimCant takes a look at Avenger 2 - Monster Plug-in (his words) stuffed with synthesis, sequencing and modulation possibilities, Avenger 2 improves on the UI of the original and adds several new features. Even with all the features, at its heart its a solid sounding synth with decent building blocks.
Available now (33% off till Christmas) priced at around £199/$249
Revisions that turned synths into brand new machines
Older Music Machines & the People Who Still Use Them