Amazon offers the
Swann 4-Channel CCTV DVR Surveillance System, model no. SWDVK-425504C, for $199.99 with free shipping
charges the same after a $55 rebate
.) That's the lowest total price we could find by $70. It features smartphone access, 704x480 playback resolution, 500GB of storage, motion detection, USB backup, and four night vision weatherproof cameras.
Update: It's now available at Fry's for in-store pickup only.