Autocomplete instead of Select from List

Issue Summary

I would like to use this module to build playlists (there's not actually any music files involved, but that's another story). That means I could potentially end up with hundreds of thousands of nodes (songs) which the user is choosing from, and it makes far more sense to simply type the name of the song into a box than to browse through a really long list.

So: any chance of an autocomplete feature?