All the suggestions so far a good but don't over look the obvious - there is nothing wrong with a straight 4x and the new Leupold is a good place to start.

Phil Shoemaker
Alaska Master Guide,
Alaska Hunter Ed Instructor
FAA Master pilot
www.grizzlyskinsofalaska.com

Anyone who claims the 30-06 is not effective has either not used one, or else is unwittingly commenting on their marksmanship.