There's one mod called Furio_Jango_Fett which gives Jango's armour for PC's to wear (I think you have to use KSE to get it in game, I like to equip Canderous with it).
download link: http://www.box.net/shared/tm4yhxwgks
There's another one called Anastacia's Mandalorian Robe which puts a purple variation of Boba Fett armour in override (again cheat consol or KSE is required to get in game).
Can't find the d/l for that atm.
There is also Boba Fett armour among the following mod: