video device

I'm wanting an app to use my laptop as a home security video device. I have done some browsing and don't really know what the better ones are. Doesn't have to be free. Recommendations? Or say forums where I might find an answer to this question?

Hi! At first, sorry, for my bad english... Next: my little problem: Windows 7 won't recognize any videodevice on the firewire (IEEE) interface. I tried that with a Sony DV-Cam DCR-VX1000E and a JVC recorder HR-DVS1 - no connection. Under XP or Vista that was all ok. Has anyone tips or a...