Don't think there is really enough power to power all buildings in New Vegas. I think when you get close to mr.house it be cool if you could kill him and shut all lights off on the Strip, so that people go into a riot and the strip crumbles beneath your grasp!
ALL POWER IS MINE :angry:
Better yet....
Join the NCR, Discover a Nuclear Silo, Launch the missles at the strip.
ALL POWER IS MINE :nuke: :rock:
:gun:
:bonk: To close to the blast