Kake,
I was purswaded to join this list :)
Does that fit in with what Adam wants his app to do?
Yep that sounds like a grand plan. Assuming that the central server can also be given any comments or new additions (why not be flexible), which it would then return to the relivant local guide site.
You would need to handle the case for new additions to the guides that are not within the bbox of any current guide, I'd suggest that these are held on the central server waiting for a local guide for the specified area to be setup (or to be assigned to an existign one if just outside the bbox). Might be useful to guage a feeling of how much interest an area would have in a guide.
Having a view the full guide in the browser on your phone would be a useful feature for those on all you can eat mobile tarrifs.
If we do ever add authentication then OpenID would be the way to go.
Ok so currently there is no authentication, that makes things easier.
Cheers,
Adam.