N.J.
Yep we have 4 cameras got the system from Costco. Cameras were junk so my hubby bought more since more than 2 broke w/ in a month. But the computer and recording device have worked great. We have a wireless set up so I can view all 4 on the TV just by switching to an unused video input.
I love it! Home all day with the kids by myself I love looking when I hear something suspicious or when someone knocks on the door. I take a peak if its someone I don't know I won't answer. We also have an RV access on the side of the house in the backyard that the kids ride their bikes on. I can't see at all from the house. We have one camera set to "watch" that area so I don't have to be out there every second...