VisorCentral.com (http://discussion.visorcentral.com/vcforum/index.php)
- Springboard Modules (http://discussion.visorcentral.com/vcforum/forumdisplay.php?forumid=10)
-- Interesting ... MP3 Springboard support (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=5026)

I saw this surfing around media sites: RealJukebox is planning support for the Innogear MP3 Springboard.

Here's the page: http://www.real.com/rjcentral/accessories/index.html

{hope that works!)

This is a good example of how the Springboard concept should work: support and additional functionality from someone other than the actual Springboard creator.