What's the Bad News?
The hype of adding 500 updates to Windows Phone may have been a bit overblown. Mango still falls short in a couple of areas. There is still no support for landscape mode on the start screen.
The Bing vision search is a great idea, but provides for inconsistent results. The Voice-to-Text feature is inconsistent as well, but this and the vision search have many variables that come into play.