Quote Originally Posted by Richard Lane View Post
For landscape, I will throw the 16-35mm f/2.8L II into the mix and that lens shouldn't be too bad on the 40D either.

Rich
I like Rich's addition over the other zooms listed. I have a 16-35mm II and it is an excelent zoom lens. It might even be an easier sell the idea to the wife.

If you are real serious about landscapes though, go with the prime.

(still I am waiting on the 24-70mm II)