Glad it's not San Francisco. I was actually hoping it would be in New England, possibly near the border of Canada. I mean, Canada was annexed by the U.S. and supposedly vaults were in the process of being build there too. Not to mention that the continued existence of Toronto was hinted at in The Pitt DLC for Fallout 3. Perhaps Canada suffered less devastation from the nukes than the U.S. and there are still trees growing up there, and maybe the Commonwealth is trying to evict its current inhabitants to gain access to its timber, mineral, and water resources. It'd definitely be an interesting contrast with the shining technological utopia of the Commonwealth, featuring Canada supposedly being retaken by both nature and its former nationals.