Fathom is delivering mostly-live (the opposite of "mostly dead" -- see if you get that reference) events into movie theaters. A bit of the technology is explained here.
The majorly geeky part is for two November nights they will show The Menagerie from the original Star Trek series. Not my favorite episode, but I would like to see how the streaming high def video and audio work. Bonus geek points attending the 10:30pm Thursday evening showing.
Can The Princess Bride be far behind?