I stay with the ol FO1/FO2 Enclave Power Armor if people dont mind
FO1 Enclave armour :goodjob:
Umm slight problem, the Enclave were only introduced with Fallout 2. The only Power Armour in Fallout 1 was the Brotherhood of Steel armour.
Back on topic, the T-51B I presume was designed with looking like a proverbial mobile Steel Kludgie in mind aka whilst wearing it your standard gun equipped foes would/should be thinking along the lines of I can't fight THAT, my bullets will just bounce off it. (of course that hypothesis is based on pre-war thinking, and most post-war human foes in the Mojave would have little or more likely no experience attacking opponents wearing power armour of any type).