Bluetooth hands free kits deals vizualogic kits
comes with bluetooth car kit and audio control module that mutes audio when recieving calls and let you adjust volume on your speakers using radio knob. 99.9% plug and play. no wire cutting needed.
more info: click on the link below
http://www.yourgmsolutions.com/CIG_BLUE.html $225 shipped for do it your self people, I will include how to do it DVD 
Motorola HF850 
$160 Shipped including audio control module 99.9% plug and play. no wire cutting needed.
Parrot CK3000 Evolution http://www.yourgmsolutions.com/Parro...Evolution.html
complete kit with audio interface. 99.9% plug and play. no wire cutting needed.
$190 shipped Parrot CK3100 http://www.yourgmsolutions.com/Parrot_CK3100.html
complete kit with audio interface. 99.9% plug and play. no wire cutting needed.
$230 shipped