I suppose it was only a matter of time that the Gothamist folks came up with a spin off for the Chicago when Rachelle moved there a while back: Chicagoist.
Next it will be all major U.S. cities I suppose. And what's after that? International?
Oh, Exhibit 5a, Gothamist is way too transparent for you. So, if you live in L.A. or S.F. and would like to contribute to -ist sites based there, email Jake.