Not sure if anyone can just buy tickets or if it's all promotional. I actually emailed Todd & Karen through the website and begged and pleaded for a pair of tickets... well not quite begged, just asked REALLY REALLY nicely. Karen emailed me back by the end of the same day and said she'd get me a pair.
(and sorry, my wife has already claimed the 2nd ticket, I was thinking about taking my brother, but she said I can go with him on opening day, she wants to see the Premiere with me
)