Omnisphere as a synthesizer is really starting to expand. The capability has always been there sure, but now with the 1.5 update (free again BTW), there's some glorious new avenues to explore. Harmonia - now has some massive modulation and spread, granular synthesis has been added with real-time modulation, Waveshaping and of course the ORB.
I'll let Eric demonstrate as only he can. Not long to wait - Feb 15th is when it hits