They appear to be taken if you're looking online. If you call and tell Guy or Bill (at the Shack-Up) that you're registered for camp, a bin or room will magically become available for you.
I'm also interested in the answer to this question. Is there any other accommodation around Hopson? From the map it looks like the closest town is Clarksdale; would that be too far away?
I was checking for rooms for the September 2010 camp at the Shack Up, but they are all taken. Is there another hotel/motel/B&B that would be convenient for the camp? Thanks.