I doubt they will make it to InTune any time soon...they want mo money!
The guy with the whipple setup is the fasthemiram05 on DT
I would do a Kenne Bell 2.8LC, that should be easy to put on a truck, just expensive.
Andy is building a 416 shortblock for his Ram as we speak! That would probably be a good start for 800RWHP.....