Personally, I was impressed when they opened the World Trade Center, but THIS...

http://www.thebricktestament.com/

The Master Chief Falls To (Lego) Pieces!

http://www.saber-scorpion.com/lego/halo.php

(Thanks for commenting about this, Dave. I found that link cuz of you.)

Wow. I am impressed. I wish Bungie would run with this! I'd buy them... for my nephew... (ahem).

Crap... reading that site, I just found out that if you earn all 1000 gamer points on Halo 3, you get the Security Armor. Now I have to really step up my playing! This is going to be a serious pain in the ass to achieve.

See also: http://multiplayerblog.mtv.com/2007/09/18/lego-halo/