Very close to pulling the trigger and ordering MS. Right now I can still cash in on PA state rebate, but that will likely expire or go down in value at the end of the calendar year. Sneak peek design studio shots of Model X options have shown new items, such as ventilated/cooled seats and what looks to be a factory installed center console, both options I'd love to have in a Model S. What are the odds that Tesla will start offering these new options later this year on the Model S? Does Tesla typically make model year changes that might get implemented in the next few months (eg, 2015 MS vs 2016 MS)? Should I buy now and lock in the state rebate or hold out for pending changes to the Model S?