Is it time to kill the global cooldown?

OK, so I was playing some Diablo III beta last night. Since this is a site that covers World of Warcraft, I'll just say that the little snippet I managed to play through before passing out was such that I could describe it in superlatives. But one of the things I noticed when playing was that the barbarian class plays absolutely perfectly to me. There are attacks that gain you the resource (fury) that you then spend on larger, more punishing attacks. You can spam those fury-gathering attacks;

World of Warkraft...