I dabble...it sucks me in and won't let me go and usually in the end, my "invention" sounds like crap and goes into eternal self sustaining oscillations . I love it!
Oh yeah! that's the real fun part, when you get it to go nuts on you.
I have actually used this program to model ideas of audio devices and then actually build real hardware versions. I was suprised once just how close the simulation and resulting device sounded.