You also need to take into account the armor you will get.   The bracket based system works best with the 1.5mm and thinner armors like those produced by TrooperMaster, and some other vendors. If you want to use the bracket system in the thicker 2mm armors, you will run into problems after a little while with the ABS cracking at the screw points due to the rigidity.   The bracket system is great because it makes sure that all of the armor pieces sit exactly where they are supposed relative t