Forcefed83

Hey guys, im new to the forum and i have a couple of questions. Im looking at getting an 07 gt and have the dealer install the superchager. Now their giving me some options as to what charger to install, ie. saleen, svt, roush. Which one should i go with? And what else should i have them install if any? And what will i run with the supercharger inquick replaythe quarter? Thanks guys. Need a quick reply, im looking to get this soon!