This is better than the SSBC kit and only a bit more.
http://www.egrbrakes.com/index-main.htm
799.95
OR
599.95 if you don't want an E brake.

It is a hard job. Here are the instructions from the SSBC kit: YOU HAVE TO TAKE THE AXLE SHAFTS OUT!
http://static.summitracing.com/globa...158_a158-1.pdf

The SSBC kit does not say wether you CAN or cannot keep the parking brake.

It IS cool to have, but it won't make that much of a difference, and i can think of seven other things to spend 800 bucks on.
I got drilled and slotted rotors, sith some good pads on the front instead of doing this.

 

Front brakes do 70% of your stopping anyway. Upgrading the fronts would do more for stopping power than anything you can do to the rear. (aside from tossing out an anchor)