2003 Camry: bluetooth kit and radio questions

Hi folks. I'm thinking about purchasing a bluetooth hands-free kit for
my 2003 Camry. I'm in the early research phase, and I have a couple of
questions:

1. Does anyone have any experience with one of the Motorola bluetooth
kits (a la the HF850 or IHF1000) in a Camry? Either as a user or as an
installer (or both)?

2. Where can I find specs on the radio (like what sort of connector it
has, etc.)?

Any info appreciated.

-David Murphy