Honeywell DVRs are Linux based (Score 1)

Here's one I am considering right now for my own security project with 4 cameras.

Honeywell HRHD410C320
http://honeywellvideo.com/products/dvs/dvr/40256.h tml

I'm also considering this series which can have 4, 8 or 16 inputs.

Honeywell HRHD4C160
http://honeywellvideo.com/products/dvs/dvr/40248.h tml