Took the tour out to Grand Canyon via Lake Mead, champagne in the canyon was excellent for admiring the view, then swung back via Hoover dam, then over Vegas as the lights were all turned on... Just do it, one of the best ways to see Vegas, you will love it!
Maverick are very professional, well organised, and the flight was so smooth that those worried about chopper travel needn't bother. Our pilot was fantastic, having music on the headphones just added to the experience.
One of the coolest things you will do. Ever.