No, it's basically listed as above. $379 for preloaded and $399 for custom tuned, and it drives like a completely different vehicle better in all aspects.
This is 2008... Technology has advanced, bolts on and boring are not the only options these days. He was asking for options, I am giving additional options.
Let's take two trucks, both with PI head upgrades, one that I've tuned and one that has your way of thinking. I will bet my house that my version will beat yours.
You're missing the point. Bolt ons are good, tuning is good, tuning with bolt ons is better.
As a side note... looking at your signature, once you do get nitrous, you are going to want to setup a nitrous tune that retards the timing during peak shot. | 
