Go check out the NGL. They are running tournaments for Halo Reach, Call of Duty Modern Warfare 3, Gears of War 3, Dota 2, League of Legends, HON, Quake Live, Street Fighter 4, Marvel vs. Capcom 3.
First off, this interesting pic of a statue at Massachusetts Institute of Technology. Apparently for the release of Halo 3 some MIT students pranked the statue with a bit of Halo Flair.
They even took time to make the newly redesigned AR. I must admit the paint on the helmet and AR seems to blend perfectly.
Next a video of a real life Halo Warthog. This warthog looks crazy accurate. There's no telling the cost to build and customize it, even the tires look accurate.