Very nice that you chose to use Quicktime rather than flash. I would suggest extending this to support the iPhone, since it would be a fairly small leap I think. I was thinking of doing something similar. iPhone supports bookmarklets. Its quicktime plugin also supports playlists via the qtnext embed parameter, as I noted here for another project: http://forums.macrumors.com/showthread.php?t=453859

Would be very cool to have a bookmarklet that exposes an embedded quicktime control (maybe even with poster image related to content?) that when clicked on in iphone opens up a playlist enabled quicktime player. One plus in iPhone 2.0 firmware is that the forward and back controls are now enabled for qtnext-based playlists.

Even better, putting checkboxes next to each audio file so that one could choose which mp3 on the page should be included in the generated playlist.

Just a few ideas to take this even further. All of this would work on both iPhone and any modern browser.

Please sign me up as a tester or javascript helper if I can assist.

- Matt.