I've been following this since I'm also looking for new cans. So far, in my totally unscientific survey, Sony 7506's have been mentioned the most in this thread.
Just bought mine - on sale today at Musicians Friend - $79.99 including shipping.
Sony MDR-7506 Headphones
Just bought mine - on sale today at Musicians Friend - $79.99 including shipping.
Sony MDR-7506 Headphones