http://www.allocine.co.uk/film/fiche...lm=130154.html

http://en.wikipedia.org/wiki/Saw_(film_series)... hell, I'll even quote this one:

"Future Development
Tobin Bell has stated that he was signed on for a total of five sequels,[3] and Producer Oren Koules confirmed on June 22, 2007 that both Saw V and VI are currently being written, quite possibly for a Halloween 2008 and 2009 release.[4][5]"