Alright, here's what I'm seeing. The video player will not send sound to A2DP. Music works fine but video will not. So, Netflix, MSN trailers, cut scene videos from games will go through rear speaker.
The strange thing is if you shut off the A2DP during play it will pause the phone as expected. It just won't push sound. Try pairing again. Combination of turning Bluetooth on at different times either after hitting play or before.