I'm not so good with the whole 'explainy' business so I'll just go ahead make with the linkage:
Gears of War
A newly opened website (just today, in fact) dedicated to providing you with all your essential Gears of War and Gears of War 2 goodness.
Gears of War Forum
A Gears of War 2 Forum. Go figure.
So, yeah, if you're interested in Gears of War and Gears of War 2, then please be sure to take a gander. I'll be focusing on both this and the Halo Wars website for the foreseeable future.
But just remember, folks: This website is brand spanking new and, currently, a little lacking in the content department. Want to help? Register on the Gears of War Forum. Cheers!