>My fear is that if 90% of IETF attendees have already booked their flights, that leaves the >hackathon drawing from the remaining 10%. (The 10% who are too busy to get their flights booked >yet.) I booked my tickets months ago, but due to scheduling peculiarities, I'm already flying in on Saturday. So I guess I'll let everyone else know how it went. It's been a while since I've done serious programming so I hope it won't be a problem to do the hacking in BLISS-10. R's, John PS: Changing the hotel can be as painful as changing the flights if the discounted room blocks are sold out.