Rod Tomlinson wrote:

I actually had the Bose on back order last November. I had second thoughts
about laying down $1k on a headset and cancelled the order...

Our new C172 ('65) came with the cheapest Lightspeeds, they work quite
well... I wish the mic boom was a bit longer though...

http://www.anrheadsets.com/productsqfrs-ss.asp

Ours doesn't have it, but all the new ones include phone interfaces...