Woo! Moving to Mountain View in June, so I'm excited to see this.
On another note, I wonder if this will have any impact on the Comcast/Time Warner merger. Comcast has specifically called out Google Fiber as a source of legitimate competition in defending the merger[1]. With the announcement that Google could increase the number of Fiber cities 10-fold, that claim might have a little more weight.
1. http://gigaom.com/2014/02/13/comcast-cites-competition-from-...