I'd echo all the comments of others about Dave Clarke sets.
I got a pair of H10-80s cheaply on the web, and they're great.
I've flown with quite a lot of types of headset in my 60 hours of pax time, and DCs
are the best.
As FD said, watch eBay (.com also...postage may be high, but worth it overall) and also
www.thehangar.co.uk
tKF