Painting a better picture of bad news,
using NPD figures for ANYTHING from American or Canadian companies is going to be rather biased in their favour (as Americans still think buying inferior American products made in the far east or south America helps the American economy).
WP7 marketshare globally is MUCH worse than this report makes out. <1% according to sources. I only know one person with one, and she ended up with it by accident by a shop that was VERY keen to get shot of it.