My question is which is overall a better set of headphones; and would the M-Audio Revolution be a good sound card to pair with either of them (un-amped)?

Hello. Yes yes I know, welcome to head-fi, yes yes sorry about my wallet =) I've been lurking here for about a week and can't seem to ever read enough posts. Yet, I still have a question: I recently purchased the Senn HD280pros. I've broke them in for about 100 hours. I am definatley not...