DTX 910, Grado SR80i, HD 429, or some other $100ish over the ear headphone?

I'm looking for a good set of headphones around $100 give or take. I'm interested in the one's i listed in the subject, but I'm open to suggestions.

Here's links if you need them. 

DTX 910

SR80i

HD 429



 

or these? http://www.dealzon.com/deals/sennheiser-px-360-headphones