http://www.slashfilm.com/toy-story-3...star-wars-vii/
Apparently it's confirmed Arndt is writing the screenplay for the film.
People will go straight to Toy Story 3 obviously... but Little Miss Sunshine was a very well written film... and that was geared toward adults. I think it's a fantastic hire.
That article claims that sources believe the studio wants to bring back the Luke/Leia/Han trio... and especially Mark Hamill.