It may not quite be enough to bring non-BlackBerry users into the fold, but RIM has finally scored one long awaited coup to keep its current users happy -- it's just announced that the Amazon MP3 application is now available for download from the BlackBerry App World. While still technically in beta, the app will let you purchase and download music both over WiFi and over the air, and it includes plenty of BlackBerry-specific functionality, including sharing via BBM in addition to the usual social networking features, and full integration with BlackBerry's Universal Search and Media Library. Hit up the link below for a closer look, or simply download it yourself t