In addition to a discussion of the stories and how they interact with each other, I think these selections are also an excellent opportunity to examine the following:
1. The AU in general and how it functions in fandom
3. Extra-canonical sources of inspiration
4. Eleventy million things that are not occuring to me just now :)
Remember, authors, to let your flists know we're talking about you and let's have an excellent convo, comm.