Newegg.com has the Samsung Stereo Bluetooth Headset w/ Android Apps Support / Voice Command / Text-to-Speech / Caller ID (HM3700) for a good price.

Google Products Price : $27.28 ~ $42.95 Shipped

1. Newegg Price : $29.99 Shipped
2. Rebate Price : -$20.00 ( Exp : 11/15/11 )
Final Price : $9.99 Shipped After Rebate