I spent the month of August 2006 in Bariloche Argentina backcountry skiing. It was an awesome trip and I encourage anyone who has thought of doing something similar to go!
I've posted a bunch of trip reports on my website:
http://cairnpublishing.com/author/tripreports/winter/winter05_06/bariloche/index.htm
Trip reports include:
Refugio Frey
Volcan Lanin
Volcan Villarrica
Volcan Llaima
Volcan Lonquimay
Cerro Lopez
Cerro Challhauco
Pitre
Check it out and get yourself to argentina. It rocks!