DNTV Live Dual Hybrid PCI-E S2 - with Analogue Video input but it does use the octopus cable.
This is a PCI
Express format though
Card performs very well in a media centre enviroment but no expereince with capture via external inputs - but support seems good.
See my post below yours concerning this card
http://www.digitalnow.com.au/dvbtcards.html
Supporting all Australian DVB-T formats including SDTV, HDTV (MP&HL) and AC3 Audio. S/PDIF pass through and more.
Features
Two Digital TV Tuners
Analogue TV Support
Analogue Video Inputs
FM Radio Support
BDA Drivers for MCE 2005 and Vista (DVB-T)
Low-profile card
Single RF Input for both DVB-T tuners
Included remote can be used with Media Center (MCE 2005)