These cool helmets are from the 501st TK Project, the group auctioned off some of the helmets and made over $50,000 for the Make A Wish Foundation charity club. Good job guys!!!
Thanks to Buzzfeed for these images.

LOST helmet by JJ Abrams
Want to see how much these bad boys made? Check it out here!

Paladin
Aug 27, 2010 -
Not a Star Wars fan, but they were cool!