I was watching Friday Night with Jonathan Ross (a UK chat show, for those who don't know) last night, and Vin Diesel was one of the guests. Anyway, whilst discussing the character of Riddick, Diesel confirmed that a script had just been completed for a third Riddick movie, and that they were hoping to start production in early 2010.
The 'weapons grade helium' Wossie got him to breathe was hi-larious. Squeaky Diesel. I have to say he's much more of a sport than I expected.