SO I post a question now right? Forgive me if this has been asked already, I realy don't have the time to skim 137 pages of posts, and I just now found this thread ;p
Next question:
Haibane Renmei: What is the meaning of the dreams each haibane has while in the cacoon? and how does this relate to the names they are given?
Hint: Think the name tags rakka receives near the end of the series.... and what her name means...
Use spoiler tags.

If this question is to vague, let me know and i'll refrase it.