I don't know. Typical Windows users complains it updates ALLLLLL the time. Of course they sometimes got it confused with frequent Adobe updates, but, Windows updates basically weekly.
On the other hand, I do agree on it. IE release is too slow and not only that, the changes are marginal as well. But, I guess it has to do with coporation blahing (need multiple IE co-exists gosh). I used to want WLE update more frequently, but, for now, I am happy with it.
I really wish to try on WP7 copy&paste and provide feedbacks. I think the virtual keyboard is missing arrow keys, and probably best to include copy+paste key with a button like symbo swith keyboard. From what I have heard, I don't like how it works.