hey all! thanks to this site, I just upgraded my security cams. i was running an old set from ebay... but after a lot of research on here, I finally have some nice cams! I am running 3 Dahua IPC-HDW2231R-ZS 2MP, 1 Dahua IPC-T5442TM-AS 2.8mm 4MP, and 1 Dahua IPC-T5442TM-AS 3.6mm 4MP (thanks...