One of the guys from SubSim.com was onboard PCU Texas for their recent media availability, and generated a really good report with lots of pictures. My favorite was this one of the SCP:
The traditionalist in me wonders what will happen if they ever lose all AC while underway -- and the submarine Engineer in me knows they've probably got a damned good backup system installed just for that possibility. (For all I know, the whole thing's powered off the battery bus -- no reason it can't be DC).