I aint tried the Gorilla-type style, but i dig their shit. But I can usually make what i'm feelin no problem, so i'm up 4 the challenge.
Give us a more detailed concept, or holla if u want us to pitch in in that dept. also.
At the moment, I use mainly a combo of Reason 2.5, FL 5, Adobe Audition, WaveLab, Recycle, and a little Cubase here and there.