the main problem of the big merge is what part still not merged.
I suggest a tool that let the user see th "Big pictures" of the trees ,A map that show all the big trees and how they merge on into the other an all the little "islands" that need to still be merge in to the near by tree (by location naming and time)
I also thing we need property for "Abstract Profile" for not real people - like gods etc... :)
It is by the way public now:
And for those still using the old forum you could follow the progress here: http://forum.geni.com/topic.php?id=64641&page=8#post-646991