Go to the product websites and that should give you what you want?
Why get a capture card, if you use DV you probably don’t need it, but if you need capablities like monitoring without the camera, the abilty digitize many formats, hardware support for editing…. the caputre card is very useful…
Now which one you get depends on what you want to spend and what you need…
Simon Carlson-Thies,
Digital Light Graphics And Animation