show me right then .
good hdr tutorial: http://www.stuckincustoms.com/hdr-tutorial/
The key is to not overdo it. The idea is to increase the dynamic range in your photo instead of make it look like your camera is on 'shrooms.
that said, if you're diggin' the surreal look then have at it. it's your art, so make how you like it an then own it.