Installed the Pedal Commander I got from Michael Plummer. Works just fine. Didn't have too much trouble yanking the radio surround to get access to the "holes" to route the cable from the front cubby down to the pedal.
Tried it on Sport Plus. Really insane response.. way too much for normal driving, it's so sensitive to small pedal movement you really can't properly feather the pedal at all. But... if you wanted to give someone a heart attack, pull into your garage, set the PC in Sport Plus, then ask your 15 year old nephew to back it out. Don't be standing behind it.
I'm running it in City mode mostly. The regular sport mode would be OK if I was racing around but it's too easy to wind up holding it in gear way longer then I want. So looks like City mode is the sweet spot for my driving.
Also tried the ECO mode. Does what I always wanted to do years ago... limit how much power you could "give it" till you pushed it to the floor. Seemed like a good way to get better gas mileage and seems to be the case here. I've only used it for a hundred miles or so but it does seem to improve gas mileage by forcing you to stay off the pedal so to speak.