I have it...Get around 12 hrs of battery life with it. It is absolutely huge. I use the regular battery during the week because I have a charger at my work. On the weekends going out I throw in the extended if I don't head home at the end of the night
Here is a thread with pics.
http://forum.xda-developers.com/showthread.php?t=1096167
Here is a thread with pics.
http://forum.xda-developers.com/showthread.php?t=1096167