Have you seen MiuTunes before? It's a new BlackBerry application that "Transforms your BlackBerry into a cool new music player" it features many things that RIM's media player doesn't. Check out the video for a quick preview.
MiuTunes is now officially out of beta and they have announced the full retail 2.1.0 version. You can download a free trial or purchase it for $29.95 USD. For more details visit MiuTunes.com.