is a good email address for RIM although I don't think you'll find them very helpful. I emailed them asking when a2dp support would be added to the pearl and got this reply:
Thank you for contacting BlackBerry Customer Support with your question about a release date for a patch to the Blackberry 8100 smartphone operating system that would permit an A2DP profile for bluetooth headsets.
As a publicly traded company, Research In Motion cannot disclose this type of information. Please visit our web site at http://www.discoverblackberry.com/buy/
for information on which BlackBerry smartphone is available in your area. You may also view our press releases at Research In Motion
to get the latest information about new product announcements.
Adding to that, I would like to take this opportunity to provide you with the link to our BlackBerry Technical Solution Center which contains answers to your support questions, technical support documentation and related resources for your BlackBerry smartphone and BlackBerry software: BlackBerry - BlackBerry Support | Knowledge Base, Product Documentation Software & Support Programs
Thank you again for contacting us. Have a great weekend.
BlackBerry Customer Support
Research In Motion Limited
NA Toll Free: 1-877-255-2377
UK Toll Free: 0808 100 7466
Europe: +44 1753 558400