^^^ Invest in a Blackberry Music Gateway. I have one for my car, it's $50 but it's so much nicer to not have to plug in every time you get in the car.
I only have one small complaint about the BMG. If your bluetooth is turned off on your phone when you turn on your car/BMG, it will not auto-pair with it, so you have to manually go into the settings and re-click on it (at least with my iPhone 4).
Other than that, it's great.