I recently emailed audible.com asking if they will be supporting the 8100. Looks like they have a program in beta. So if you're interested in downloading subscription audio books you might be interested in their response: As per your email, I understand that you are wondering on whether or not your Blackberry 8100 is compatible with Audible. And actually, over the past few weeks, we have just launched and created some Beta software for Java-Based Mobile devices like the Blackberry 8100 . So, if you click and look through the following links, you will be able to find out how to install and use the Audible Air program on your PDA:
Title: Manually Installing Java AudibleAir
Title: Java Audible Air Guide
Also, please try going through our software page (www.audible.com/software), as under the "AudibleAir Beta for Java Phones" section, it will give you instructions as well. If you have any questions, since this still under Beta Testing, you will have to contact "firstname.lastname@example.org" if you do run intro any trouble with the software.