I think UltraNova is like Korg R-3, that is not so cool - the sound is dull and plastic.
VA devices like Clavia Nord Lead or Access Virus are much better and they can be a rivals to analog synths like Moog, but cheap things like UltraNova or R3 will not compare.
And I think that all these embedded virtual emulated fx processors are evil
Best regards, Ruslan Tagirov.
Toyz: MBPro+Live 9.1+LogicProX, Moog: LP StageII (3.2.689)/Sub37 (1.1.0)/Minitaur (2.1.7), Clavia Nord: Stage2 SW73/ModularG2Engine, Roland: SH32/MC909, Korg: MS-20, R-3, Otomachines Bisquit/DER OTO, etc.