Check out this link as a review on the alaskan guide spotter.
www.outdoorlife.com/outdoor/gear/fieldtested/article/0,20280,spotting_scopes-0014,00.html
Outoor life.com tests all kinds of optics. My thoughts about the Cabela's optics are that they are alot of bang for the buck. But also check out Fujinon, Meopta, Pentax and Alpen. And don't forget the Bushnell elite
okcmco