I recently started using the Bose ANR headset, and have nothing but good to say about them.
Initial thoughts were that they wouldn't match up to the DC's because of their lightweight design. However, have been proven wrong. You can fly for hours, without your head feeling like it's been between a vice with 20kg's of weights stacked on top of your head.
Battery life is about 100 times better than the DC's as well. The 9V battery in the DC's used to last maybe 20hrs at the most. The 2 AA batteries in the DC's have just run out on me, after I changed them about 70hrs ago.
Certainly a lot cheaper on the pocket after the initial outlay!
Thumbs up to the Bose from me,
morno