For the 400-500 difference, that is a no brainer.
Lighter, and those compstar rods are sweet. I ran them in my W5 motor for years.

69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8