http://www.callofduty.com/ - The official website for CoD - contains links to every game.
http://www.planetcallofduty.com/ - Downloads and info for the CoD series.
http://www.codnation.com/ - Downloads for the CoD series.
http://callofduty.filefront.com/ - Downloads for the CoD series.
http://www.codboards.com/ - The official CoD forums.
http://www.modsonline.com/ - CoD Downloads and help for CoD Moders!
http://e3insider.com/ - E3 on the internet
http://www.computerandvideogames.com/sites/pcgamer/
- The world's No. 1 PC games magazine, website includes reviews, previews, featues etc.
http://www.oxm.co.uk/ - The Official Xbox Magazine website.
http://www.officialnintendomagazine.co.uk/ - The Official Nintendo Magazine Website
http://www.asusclan.com/ - <<{ASUS}>> Sniping Clan - CoD 1.4
http://www.freedownloadmanager.org/ - Great tool for quick and easy downloading.