Originally Posted by purecharlie

Forget buying a new webcam - if you have a Vixia HF S10 then you already have what you need. This is a High Def camcorder which will produce far better quality video (and sound don't forget) than any webcam and mic combination.
Get a decent tripod, plug the camcorder into your laptop and select the Vixia rather than the onboard webcam and away you go. There are plenty of Canon forums that can help if you have problems getting the laptop to see the Vixia.