I've added the Oxford Guide to this new mySociety site:
might be a useful way of drumming up interest (though it might depend on
the size of your catchment - the bounding box it allows you isn't quite
big enough for the area I wanted for the Oxford Guide.
Dominic Hargreaves | http://www.larted.org.uk/~dom/
PGP key 5178E2A5 from the.earth.li (keyserver,web,email)