Judging the synth design from the screenshots, I thought it able to produce many interesting sounds, but no...not really. The sonic variatons are limited...all patches have a similar sound to them. The OSCs simply lack character and the ability to use samples and wavesets doesn't really compensate for that - if I want to play back samples, I use a sampler. Some of the filters are pretty good, though. There is no midi sync on LFOs or other timebased modulation. The presets do not IMO demonstrate any interesting perspectives.
The user interface is quite annoying, with a large number of identical windows. Bank and patch management is tiresome. Totally mouse oriented, very few keyboard shortcuts.
The effects are no good, but being a VST host it can use other VST/DX effects if necessary.
Mail support is excellent as Martin responds quickly to mails, but the forum is sooo outdated and useless.
Haven't crashed when used as a VST in Cubase, but considering the simplicity of the synth structure I do think it's a CPU hog.
Sorry to give these poor ratings, Martin, but I was truly dissapointed with this, and -except for the step sequencer- I don't think I'll ever use it for anything.