Thanks for this, but I was looking for a thinner case which would fit with the Seidio 3800 battery and maybe no battery door? I dont expect there to be a case that would fit really, but perhaps someone bought a thin case, didnt use the battery door and somehow modded the case and it fits.
Thus keeping the sleek form factor but the 3800 battery is under the hood.
I own the extended surface case in your link, it's nice, but it does add some bulk. With some thought and craftsmanship I bet someone could figure out a way to make the back of the phone have no hump, yet have the super battery back there.