I've used Raam Audio's Rammat, and had great results. It's alot like dynamat with the foil backing for heat. Sticks to anything, absolutely no smell whatsoever. And a heck of alot cheaper. I'd recommend it to anyone.
http://www.raamaudio.com/cgi-bin/index.cgi
Most of my 'audiophile' friends use the stuff so they turned me on to it.