5.7 Hemi Conversions - XVMotors? Arrington Chip Killr? Other options?

I went with the xv set-up cause my son did not want a plastic intake in a 40 year old car,Which will be his someday--I used the truck hemi in my Duster--first turn of the key and it fires right-up with a big lope idol can't wait ti get to the dyno--Steve