Here's a few I created in Caustic, I use a ton of my own sounds as well as com pack saounds (Thanks Steve!)
http://soundcloud.com/rhythmicsin/firstinline_electronic
This one I made to be a soundtrack type song. I used samples of real instruments and drums,
http://soundcloud.com/rhythmicsin/lies-of-allies
http://soundcloud.com/rhythmicsin/crimelab_dark_instrumental_ele
http://soundcloud.com/rhythmicsin/drugmoney-92bpm-hip-hop
Plenty more up on my SC.
Hats off to Rej for such a great app!