I don't own one, but had to operate one to make a friends audition tape. Because it was MiniDV transfer to PC was fairly easy with Firewire. I recorded the audio separately with a pair of condenser mics, then dubbed the audio over in the editing software. I did this to give improved quality audio over what a consumer vid camera can obtain.
Which editing software do you use? I tried with Windows movie maker but I couldn't figure out how to dub the audio over.