Hi Rugger,
I have a setup close to what you are trying to do, I'm using a Bluecherry Provideo PV149 capture card with 3 Apexcctv wired color infrared cameras and Blueiris software. The Apex cameras are outside and I have several X10 wireless cameras inside. I started out using the X10 cameras outside with MS16A motion sensors but I had so many false trips from animals, bushes moving, trees moving and so on that I moved the X10 cams inside. The blueiris software allows you to mask out any problem objects, bushes and trees in each camera view and the motion sensing triggers DVR type recording right to your harddrive sends me a text message and snapshot to my phone. I feed the 3 Apex's and the output from the X10 wireless video receiver into the capture card. All 4 views are shown in real time @ 120fps and I use AHP to change the X10 camera view shown in Blueiris. When I'm away from the house I can use Iwatchout pro to check the inside of the house and Blueiris Remote view to see the outside right from my iphone.