what do you get for beating halo 3 on legendary solo?

[zakwiks]

any unlockables like new armor or 700 gs or something?

 

[Dosu Kinuta]

a pat on the back from me

 

[Sizzle]

Beating the game on Legendary unlocks some armor peices. If you get at least 750 gamerscore, then you get more armor peices. And if you get 1000 gamerscore from the game you unlock the Katana.