When it comes to proffessional CCTV applications we sell and recommend the Pacom Digital Video Recorders for non-pc based DVR's.
When it comes to Professional PC-Based Recorders we sell and recommend the V-Guard Real-Time High Resolution 16 channel DVR's.
For Domestic and light commersial applications we recommend the samsung 4 channel DVR.
For all software and security manuals for these products can be found at www.securityhelpdesk.com.au
If it cant be found there leave a post in the forum and they will track it down for you.