> I'm wondering if they are partnering with XMission.

Very unlikely, as Pete Ashdown (founder/owner) was recently discussing XMission investigating rolling their own fiber until wind of Google Fiber came up:

http://www.reddit.com/r/SaltLakeCity/comments/2yl51u/does_xm...

Pete blogged about it today[1]. Sounds like his plan is to basically sell VPN services for Google Fiber customers who are concerned about privacy.

1. https://xmission.com/blog/2015/03/24/google-fiber-in-salt-la...

Hopefully Maddox is involved. He always served the best pages in the universe.