I don't think much is needed in the way of expertise Alison but as far as I can gather, this one is very time consuming and is a big commitment.The biggest problem the way I see it is the volume of requests to add and change information held in the resources. The ideal solution would be a user updatable one but that would need to be hosted on a site which allows server side processing on top of the development time.
As for me, although I have time, I'm not in a position to offer to host anything at the moment because of uncertainty with ISPs.
Anyway, I guess we need some form of statement from Max before any of us rushes off and trys to create something.
Jon