X-3 Update: a new Kitty Pryde

Summer_glau1_1120158182Just a short update on X-3, the third X-Men movie.  X-Men fan and writer of Astonishing X-Men Joss Whedon notes on his website that Summer Glau is now up for the role of Kitty Pryde.  It seems that Maggie Grace of Lost has pulled out. Summer looks, at least from this picture, more like Kitty Pryde and Whedon knows her from his show Firefly and its spin-off movie Serenity

Whedon says that Glau, "called me and mentioned she was going to and did I know anything about the character (there were no 'sides' to study – they had to get them when they came in). So the girl I turned into sort of a superhero in my movie was going to read for the character that most influenced ALL my girl-heroes, Kitty Pryde. Karmically funky."

Why doesn't Fox just throw money at Wedon to convince him to make X-3?  I don't know.  From other posts on the internet it sounds like the X-3 script is still in a massive ball of flux.  Which at this point in development of the movie sounds bad.  Though I'd rather see changes than the current script.