My sense is that this is sort of where the OSAF is going with Chandler
and I am confident that they will do a better job of it than my endeavours. But since they've only released vapour-ware to date, I will just plugging along rolling my own. I may even post a tar ball of the addressbook thingy in the next week or two. see also : the same image, from 50, 000 feet.