Not sure if it has BPB, but theres a new mapping thingy- Live Local... ton better than Google Earth. Theve only mapped select locations in the US, all by low flying a/c. Its pretty cool... you have to see the Bird's Eye View to see the cool part...
http://local.live.com/default.aspx?v=2&ss=one%20Microsoft%20way&cp=47.640679~-122.125736&style=o&lvl=2&scene=3729998