I recently bought this new Palm BT headset and I wanted to tell you guys that it's really good.

Pairs easily
Good reception
Sounds good on the other end
I use it without the over-the-ear clip and it stays in the ear securely
Very light
Big advantage - uses the same charge cable as the Centro

It's available on the TreoCentro site but the last time I looked it was also on sale at Palm for about $49.95

Give it a look if your in the market for one.
Good Luck