Over on denofgeek.us, they proclaim "Monty Python and the Holy Grail Coming Back To Theaters." The answers to your questions three are here.
Also, on theblood-shed.com, they explain "'Alien Identity' Will Undo Franchise’s Cruelest Kills." Dig up the details here.
Finally, on io9.com, they exclaim "Holy Cow, Brian Henson's Puppet Noir Movie Is Actually Happening." Sleuth out more clues here.