edges are bad to start with for some people, and the 'edge armour" I think just hurts a large part of edge instead of the small part if would have been.
and DON'T BUY BOOTS BECAUSE THEY ARE POPULAR!
do you have super fatty feet? If not SPKs are probably not for you. Try before you buy(with boots).
i got the 2010 pro model, havent skied them yet but i hvent took them off, they feel like heaven