
http://www.livejournal.com/talkread.bml?journal=lj_clients&itemid=83325
I also found this in

http://www.livejournal.com/talkread.bml?journal=lj_dev&itemid=464148
So, it looks like stuff might be a bit difficult, at least getting at friend-locked stuff. And it looks like screenscraping (a new term to me) is probably the only way to go to get the rest of it. But, anyway, we'll see what I manage to come up with.