There was this person who posted sometime back that he lived in South Africa and he needed a night vision camera as he has security issues after dark. at that time there was very little available. I saw this today. No idea how well it works, but a start (at over $2,000)
http://www.ebay.com/itm/FLIR-334-0001-0 ... 2595aeac2b
http://www.ebay.com/itm/FLIR-334-0001-0 ... 2595aeac2b