I'm affraid it is the norm to put up with the aforementioned unmentionables! The most common headset used by airlines appears to be the following ...
http://www.transair.co.uk/product4.a...roduct_ID=1125
A few of the Captains I have flown with bring their own (including one that uses a clunky green Dave Clark in a 737
). Have a quick chat with an engineer to make sure that any non-standard headset you may select has the correct impedence for the aircraft system.