stand alone EFI for gen3 hemis

Any more talk about drop in electronics/computer for this hemi in a bodies? What are guys doing when they build a 5.7 into a 392 or whatever, mixing parts as in large intakes, SRT cam, eliminating the MDS, I'm still investigating all this stuff and ideas, as I originally thought the way to go was 6.4 crate motor, but I'd like to have a full forged bottom end. I've always over built bottom ends, for insurance and can't understand, other than cost, why Mopar doesn't forge the rods and pistons, beings as they did do a forged crank. Just curious.