Binoculars,
What you need is either a Firewire or USB Video Converter. Some options are:
USB
Leadtek WINFAST TV USB II
Hauppauge USB-Live
PLEXTOR ConvertX PX-AV100U
PINNACLE STUDIO MOVIEBOX USB VERSION 9
FIREWIRE
PINNACLE Studio MovieBox DV version 9
Canopus ADVC100(770-10072-100)
Take Care,
Richard