Ive used one of these for a couple of years with no problems
on W2000 and XP with various cameras. Works fine with the GStar-EX
It can take composite or s video, and audio.
Cant remember where I got but probably Sydney area cost around $100
http://catalog.belkin.com/IWCatProdu...duct_Id=105106
Driver, manuals and FAQ page, may be useful
http://www.belkin.com/support/downlo...8&lang=1&mode=