Check out the running riot website http://www.mrmagoomc4.blogspot.com/ for a whole bunch more rare gems. I haven't paid for Megaupload at the mo so I can only download one file at a time, so they'll take a while. The first three I did were the Court Martial, Blitzkrieg and Mayhem demos.
Website of the week goes to www.ultracrust.com which has a whole bunch of goodies. It's in Spanish. I'm not sure which country it's based from, but I like it a lot with some bands I'd never heard of like Tragetelo which has Martin from LimpWrist etc drumming.