Nokia Luna Bluetooth Headset available in 3 different colors (click above) for only $20 each. (Retails $79.00). Note, no A2DP is directly supported by the headset - just for phone calls.
3.5 star reviews on Amazon, check here for reference:
Woot.com has the Jawbone 2 bluetooth headset for $44.99 + $5 shipping. Limit of 3. This used to be the best noise cancelling headset soon to be replaced already by the next Jawbone headset, the Jawbone Prime
Good deal on a great headset!
Check out the demonstration of its noise cancellation capabilities here.
Amazon.com price:
