I've been through a lot of pairs of pac boots over the years (including Schnee's and Sorels) and my new favorites are the Kenetrek line of pacs. Go with the 13" Grizzly if you're going to be hiking around alot or stand hunting in temperatures that aren't exactly brutal. The Northerns are great if you plan to do more frigid stand hunting, ice fishing, etc.

http://www.kenetrek.com/

In case you want to check my credibility just take a look to your left and see where I live. It was -15 this morning in Fairbanks and that's pretty warm for the winter time around here.