I see some cards from avermedia on ebay.
One looked really good and comes with the software.
about 125.00 for card and software.
http://cgi.ebay.com/AVerMedia-...VWQQrdZ1QQcmdZViewItem
I have had good luck with avermedia products in general.
specs:
AverMedia nv3000 30 FPS, 4 Channel Hybrid DVR Card
4 ~ 16 composite video inputs (BNC Connectors) 1-4 cards
1 IP Camera Access
Video Format: NTSC and PAL
Supports 352x240 and 640x480, or 720x480 pixels (NTSC/PAL)
16-bit true color
RCA composite video out to a regular terminal or TV monitor
Supports static & dynamic de-interlacing for smoother graphics
Built in noise reduction algorithm
Video compression: MPEG4/MPEG4 H.264/M-JPEG
Supports 352x240, 640x240, 720x480
Fully de-interlace in 640x480 and 720x480 modes
(algorithms enhanced for static or dynamic scenes)
Recording modes: Alarm trigger/Motion
Detection/Continuous/Schedule/Voice detection recording
Programmable multiple masking zones
Intelligent shield protects privacy
Max 4 audio channels recording (4 cards)
Capable of recording audio channel(s) with full synchronization
Auto recycling when storage nearing full
Intelligent pre-motion and post motion recording
Supports Video Encryption for secured remote viewing