Poke around here and see what yuo can find:
http://www.tripadvisor.com/Search?returnTo=__2F__Tourism__2D__g191__2D__United_States__2D__Vacations__2E__html&q=grand+canyon&geo=191&sub-search.x=8&sub-search.y=13
What was the Hoover tour you took? Please let us know what you do canyon-wise and how it worked out. I'm sure Vegas locals would like to know which tour they could dump visitors off on also. 
