I joined up again after leaving earlier in the year- I couldn't figure out all the mailing list technical stuff. Now, though, I've managed to get things working and have been surfing through looking for inspiration. There's not been much activity recently, in fact no posts for a few weeks. However there's an archive with past discussions, many of which are relevant here.
I am compiling a small collection of comments etc on the microsite which are relevant to the project:
TTX Mailing list - selected correspondence