I'm on my first day with the extended battery, I got 14 hours down to 30%, then have the phone to my 8 year old who played games with it for about an hour and it died. So with moderate use you should get at least 20 hours.
It is as bulky as it looks in the pictures, but I find it easier to hold.
I had to choose between battery life and looks.
Waiting on the extended case from Amazon. Hoping that makes it look a little better.
Verizon Wireless was offering 50% off 24.99, don't know if that is still in affect.