If I were shopping for headphones in your pirce range, Grado would be the first manufacturer's line I would look at.
For example, a review of their Model SR60 is at:
http://www.stereophile.com/showarchives.cgi?532 A comparison of the models sr60, sr80 and sr125 mentioned also:
http://www.goodcans.com/HeadphoneReviews/60vs80.htm More links to Grado models and reviews:
http://members.aol.com/headphone2/ One Call lists Grado:
http://ww1.onecall.com/About_00001000_23_232_0_81_0_0.htm the price listed on their web site is at or near suggested retail price.
I would expect the SR80 model to be even better.
[This message has been edited by Paul J. Stiles (edited December 06, 2002).]