We now have confirmation of two IF events at PAX:
Storytelling in the world of interactive fiction
(Friday, March 26th, 5:30pm-6:30pm, Wyvern Theatre)
Text adventures have been quietly experimenting with narrative gaming for thirty years. Five authors from the amateur interactive fiction community discuss the design ideas in their games -- reordered storylines, unreliable narrators, deeply responsive NPCs -- and how they apply to other kinds of games. (Rob Wheeler (mod.), Robb Sherwin, Aaron Reed, Emily Short, Andrew Plotkin)
GET LAMP Panel/Screening
(Friday, March 26th, 9:30pm, Naga Theatre)
The premiere of Jason Scott's three-hour documentary on IF history and culture. Will he show all three hours? Who knows? (Noted via twitter.) (By the way, check out his awesome cover art for the DVD set.)
(Monday, March 29th, details TBA but I believe 5:30pm at MIT 14E-310)
This is not a PAX event, but it's happening in town the day after PAX. Emily Short and Jeremy Freese speak at MIT on the subject of interactive fiction and electronic literature. Hosted by Nick Montfort for his Purple Blurb lecture series.
We also have confirmation that PAX East will be sold out and no badges will be available at the door. Preregister or stay home. (By which I mean, "preregister"!) If the cost is a problem for you, they're looking for volunteers, who will get free admission.
EDIT-ADD: I forgot to mention the Purple Blurb presentation on Monday! See above.