You want the key quote? Here it is, summing up the legacy problems that need to be overcome, but highighting once again the ammunition is there:
Windows Phone 7.5 is gorgeous, classy, satisfying, fast and coherent. The design is intelligent, clean and uncluttered. Never in a million years would you guess that it came from the same company that cooked up the bloated spaghetti that is Windows and Office.
The whole article is worth the read, to see what a long-time commentor on the mobile industry thinks of Windows Phone. Many will not be surprised to find that there is a lot of love from Pouge for the system. While there are trials ahead, the challenge to win hearts and minds around the world continues.