Somebody must have earned a lot of money on this.
Comment from chriscf on 27 January 2011 at 12:45
I think you'll have to explain the joke for those of us who aren't on your localhost ...
Comment from gormur on 27 January 2011 at 13:02
Start (the latest stable version of) JOSM, click the link and watch magic happen.
Also worth enabling the Bing WMS layer :-)