I have an Audio Technica ATH-M50 that I'm happy with. It's around the $150 range, sometimes $100 if you find a good sale. Using my iMac, I can never put the vol

I have an Audio Technica ATH-M50 that I'm happy with. It's around the $150 range, sometimes $100 if you find a good sale. Using my iMac, I can never put the volume above 3 notches. It's definitely loud! And comfortable, since it's circumaural.