From the analog world: Korg Monopoly
From the digital world: Kurzweil K2000
From the Virtual analog World: Nord Lead 3
From the VST world: Reason (used in rewire mode its massive)
Sraight up emulation: Korg Legacy Digital Edition. for the money its exactly the same as owning an M1 and a WAVESTATION

also ran: SY77 - FMmmmmmmmmh!