Audax Club Mercia sounds good too, and does actually cover my location.
Even though the Black Country is very specific, and many of us won't really be there, I like that it would give a focal point, and AC-BC would make for splendid jersey potential that would also be a nod to the Black Country's musical heritage (okay mebbe it's a nod to some Aussies and a Geordie, but you know what I mean).
Whatever gets decided, I'm likely to be in