Oh crap....

...

Executive producer Mitch Hurwitz was hesitant to begin writing the script as he did not know which cast members would return, but when Michael Cera signed on in February, the process was to begin!

 

"I don't think Mitch is gonna do it," says an insider, who believes that the producer has not begun writing. "It seems like he's moving off the idea. So much time has passed."

...

http://perezhilton.com/2009-08-14-arrested-development-movie-looking-doubtful

NOOOOOOOOOOO!!!!!

Although, I'm not sure what a movie would really accomplish.