I just received my Envy 15 last night. It's a beautifully designed machine but has 2 glaring flaws:

1. The screen only tilts to ~105-110 degrees. This makes it tough to use on your lap or on a short table (commonly found in coffee shops sadly).

2. The AC-DC power supply is bulky. The plug has 3 pins too. Earth is not needed for laptop power supplies! There is no electric shock risk for a laptop user! I was dismayed to find such a hideous power supply bundled with this laptop.