i had the pro aluma I - that's the one that the shaft 'collapsed' on, making it sticky to extend. the pro aluma II doesn't have a circular shaft tho, so it shouldn't be a problem.
i loved the blade on it. really strong and good face for digging clean pits. the only possible issue i can see with the pro aluma II is the handle is plastic... not sure why they did that or how vulnerable that is, but it sure would suck to snap the handle off your shovel in the middle of a shitstorm.
It looks like there is a metal reinforcement inside the plastic handle of the Alu II, so don't think it would snap off. But I guess the plastic could crack/fall off and in that case the metal bar 'handle' would be pretty uncomfortable to use...
I have the Ortovox Kodiak, one of the most burley shovels I have seen. What ever you get make sure it has the option to switch from shovel to hoe. Shovel to build kickers, hoe to dig out friends.
The Kodiak was designed based off of this study which is a must read for anyone looking for a new shovel. http://www.avalanche.ca/adx/aspx/adx...vel+review.pdf
Man, the Internet sounds like a tuff place to ride.