Agree.
I think it may help just a bit. Plus, its weight is bigger, and it probably will develop more heat
Outdoor troubles will probably remain the same
I wonder why Apple has to fake reality like from 3:09
http://www.apple.com/ipad/#video
With that kind of light, the screen wouln't even be readable
http://www.youtube.com/watch?v=1Du3WfTYPVA
http://www.youtube.com/watch?v=3L28eA5n5fw