Being mid way through a Twin Turbo (4788's) fuel injected Hemi build, I can tell you this much . . . .

1) Work out your budget
2) Double the above
3) Add another 10% to the above, then you will be in the right ball park . . . .

Sure, I have heard of cheaper, more powerfull Mopar combos, but also hear a lot [Edited by Moparts - Family Friendly Site - Keep it clean] in the pub.
I could of possibly gone with cheaper parts, but then it gets into a vicous cycle

I am running a KB Block