[Simon]

I use the camera built into my notebook computer so I can't give you a personal recommendation. But here are a few links that may help you gather the info to make a decision. (I was going to include the didvideosoft link but hincapie already gave you that one.)

http://lifehacker.com/5961369/five-best-webcams

http://lifehacker.com/5962106/most-p...ro-webcam-c920

http://community.skype.com/t5/Window...ws-PC/td-p/250

http://www.evaer.com/

Adjusting Webcam Video Settings in Skype
http://support.creative.com/kb/ShowA...aspx?sid=41744

HTH