I'm far from sanctimonious, unfortunately. As I said, for my size, I'm more content on a 29" wheel mountain bike. I'm closing in on being sub200 again, and I don't foresee going back to a 26" wheelbase again. That is a "now" statement though, and could change in June when I buy my Specialized Epic.

Ride whichever feels better to you, and if the LBS near you doesn't have options for you to test, take a little trip far enough to get to one that does. You'll have a lower chance of buyer's remorse.