Picked up the BlueAnt Supertooth 3 Saturday at The Shack. Very impressed so far. My address book download automatically enabling it to state the name of whoever is calling.
Took the Z out Sunday with the topdown, yes it was quite cold, but wanted a good test so I could return it if I didn't like the performance. Call volume and clarity on both ends were excellent. I guess the visor being just below the windshield cuts out alot of the wind noise. Works much better than earpiece I tried.
So far I haven't had to touch it, except to disconnect a call. It has a vibration sensor that causes it to search for my phone whenever I open the door. All I have to do is enable Bluetooth on the Droid.
I downloaded the Speed Dial app so I can call my most frequently used number with a minimum of effort.