I have both a ghetto bluetooth adapter with Torque and a VAGCOM. Without a doubt the VC is better, but Torque does 90% of what VC does for 1% of the money (or even less than 1% if you don't have a laptop that can be used).
Read lots of reviews for the bluetooth adaptors, some are more cooperative than others. Normally it takes a few tries to get my bluetooth adaptor connected to the car and phone. On the upside, I just leave it in the car so it's always available.