>> but I think >> that will limit me to USB and it's 15-foot cable maximum? > > A friend of a friend set up a security system in his house, using USB > cameras, and ran it more than 15 foot! Apparently, you can use a USB-cat5 > converter (not ip based, so you can't route it, just uses the twisted pairs) > and get even further. cat5 is cheap too. I suggest you experiment (or find > someone else who has) and see how far they ran their cable.
I think USB cameras would be the way to go. Does anyone know of a USB camera that works well with Gentoo? Also thanks to James for the h.264 tip. That's the kind of thing you don't figure out until you're already deep into zoneminder. - Grant