I picked one up from blue mall last week averaging just under 40 hrs battery life with moderate to heavy use. Which is about triple what I was getting before, so I'm happy. At first the bulk was somewhat ugly but its weird how quickly you get used to it like others say.
Sent from my GT-I9100 using xda premium
AT&T Galaxy SIII (SGH-I747)
Nexus 7 on Dirty AOKP 4.0 | TF101 on Revolver 4.2.1 ICS
Galaxy SII I777 / Nokia Lumia 900 / iPhone 4 16gb / Infuse 4G
Inspire 4G / Evo Shift 4G / iPhone 3GS / iPhone 3G / HTC G1 / Blackberry Curve 8310