I gots some questions...
Front LSD brand? (you mentioned rear was cusco)
Wheels/tires? (you said no 15x10)
Did you reinstall all the sound deadening stuff inside? (no cheating now!
I was told by Jorge @ P&L that the launch control wasn't worth worrying about. I realize for prosolo it might be worth it, but he stated that over time (like a year or two of consistent usage) that it would eventually lead to a blown engine. I'm yet to run a course outside the central illinois group (my former region) where launch control would have added a benefit.
Oh, and you need one of these:
"Project ESP" license plate.