Hey,

Im looking into this too and it seems you either have to shell out on a really good cam with with XLR inputs or stick with what you have and get a portable audio device as well.

This looks very good.... M-AUDIO - MicroTrack II - Professional 2-Channel Mobile Digital Recorder

Anything by M Audio will be good as far as quality goes.....but you will still need a good mic to get the most out of it...

Good luck