That's what I was thinking (It's not much of a jump) it's a 12% increase.
Now if it was a 2500 mAh battery then maybe.
I'm guessing it's just a matter of time before someone will make a much larger battery.
There are some posts about a 3800 mAh or such battery (with a new battery cover, of course.
3800 mAh Extended Batteries - xda-developers

