Haven't personally tried them. I just got a pair of Korker Cross Currents and I really, really like them. Very comfortable and I like the fact that I can change my soles to suit the conditions. I have a choice of seven different soles. It comes with two sets of soles.
http://www.korkers.com/footwear/fishing/cross-current-wading-boot.html
http://www.korkers.com/footwear/fishing/cross-current-wading-boot.html