This one is the model i have. Twinhan VP7045A usb 2.0 digital HDTV TV tuner (great for laptops)
http://www.twinhan.com/product_terrestrial_7.asp
drivers 7045 (comes with driver cd too) http://www.twinhan.com/download_driver&software.asp
Works under Linux Distros i have used it under Fedora Linux. http://www.mythtv.org/wiki/TwinhanDVT_Alpha
http://www.linuxtv.org/
http://en.wikipedia.org/wiki/Video4Linux
Costs $35aud on special usually from msy http://www.msy.com.au If you [...]