You make some faily compelling points with facts to back them up so I give you credit for your effort in research and I wish more posters on here would use this tactic in arguing so props to you.
There are things that have to be looked at outside numbers though to determine performance and I for one do not think average and Ryan Miller fit together. He has been an upper echelon netminder for a lot of his career and I think most "experts" would agree. Is he that now? Probably not. Can he play a very specific role here in VAN and be a very good stop gap in allowing Lack to ease into the #1 role??! I beleive so.
I think with the smoke around the story him signing now is likely and my concern is term. More than 2 years and I dont much like it. I dont mind the Canucks being garbage for a few years and developing their young players, but Im not sure that applies here.
1) Proven cases as to what rushing a young goaltender can end up (thinking Andrew Raycroft) and I am sure the Canucks dont want that to Lack, who still needs time to become a 65 game per year #1 goalie.
2) Even with a possibly young forward corp made up of Jensen, Vey, Kassian, Horvat, Matthias, Bonino, and down the line Shinkaruk, Virtanen, and Gaunce, steady veteran goaltending can ease that curve and keeping a young team in games every night is critical.