Mwave offers the ZMODO 4-Channel CCTV DVR Camera System, model no. PKD-DK4216-500GB, for $119.99 with free shipping. That's tied with our mention from over a year ago and the second-best price we've seen for this system. (It's also a current low by $2.) It features four CMOS IR night vision outdoor cameras, VGA video output, Ethernet, and USB.
This tropical nation is practically perfect for anyone open to leaving the U.S. in hopes of dramatically cutting costs.