Ah, I wasn't aware the M50s needed an amp. In reading through the buying guide, it seemed like they'd be alright without one. I'll keep that in mind, then. It's both for mobile use and home use, and I was considering getting an amp anyway. I'll see what kinds of prices I can get on the HD25s...

I'm planning to use them a lot for mobile listening, so that does give me something to think about. Appreciate the input. :) I think I'm leaning toward the M50's, just because they seem to fit my listening needs a bit better, but I'd heard really great things about the HD25-1's as well. As I've...

I'm looking at buying some headphones in the $150-200 price range, and these two seem to get mentioned a lot around here. I've done some looking around, and it seems they're both well reviewed and in my price range. I was wondering if I could get some opinions on how they stack up against each...