This repo contains a UITableViewCell category called ShrinkTo which will let
you easily shrink any cell to another view, much like the Mail app.

Demo: http://www.youtube.com/watch?v=Xak3xqGKvqc

The two files you need are UITableViewCell+ShrinkTo.h and its corresponding
.m file. The included project shows how to use the classes.

IMPORTANT: Make sure to link against the QuartzCore framework in your build
settings or you'll get linker errors when you try to compile.

Thanks to Mike Nachbaur for guides on Core Animation. http://nachbaur.com/