It may sound crazy, but I enjoy using organic sounds and treating them with effects and mixing other sounds. Lucas used alot of organic sound in Star Wars and the BBC Radiophonic Workshop did some brilliant things with everyday items. Blasters in Star Wars were done by putting a mic to a high tension cable and flicking the cable... giving that echo shot sound. You might be surprised what you can do with the facilities in Adobe using sounds available to you.
just an idea,
Jack