not really sure what you mean by techno, but assuming you mean something along the lines of dubstep.. definitely try Klaypex. not Skrillex or anything that mainstream- you'll get turned off from it immediately. unless you like corny mainstreams , whatever. try "hit me" by Klaypex. it may be hard to find so try YouTube first, I know there's a version or two there.
I'm a rock fan too! And there's a band that's not really popular called Ghost Town. I believe they're under the electronic and rock genre. I'm usually not into electronic or techno but I do like them a lot!