Fred, go through the thread; I've posted a bunch of nuggets (at least to me!).
And, yes, the Scandinavians make incredibly powerful, emotional and beautiful music. Mustn't be much else to do in the ice and snow and cold.
Seen Dream Theater twice, and, my brother's a big fan of Nightwish. I don't find them heavy enough, but, they're fun to listen to. Greg Bradley's also a fan of Nightwish.
H