F-series model:f90bt (with update)
Phone make/model: Blackberry Pearl 8100 (TMobile)
Ease of connection: Moderate. It connects eventually, but when the car is first turned on, the f90bt tries to connect with the phone and it fails repeatedly... eventually after 5 to 10 minutes, it ends up connecting successfully on its own.
Phone book transfer: It worked fine after assigning contacts to a "category" and then specifying in the bluetooth menu of the phone to transfer only that category (as opposed to "all entries").
Sound quality: Perfect on both ends.
Comments: Hopefully they will fix the bluetooth handshake process... it is flaky at best, and it contrasts with all the other bluetooth devices i've used with the Pearl without a flaw. I've also noticed that when the F90bt is turned off, it doesn't immediately release the bluetooth connection (it stays powered on for a several seconds), and it prevents the phone from switching to a bluetooth headset when in the middle of a call, or from picking up the call directly.