I thinks that armor is great with the exception of the helmet, helmet just seems like it don't fit to me. Otherwise I like what you've done with the textures to the armor. You should maybe add some wear and tear to the textures, give it a more worn out feeling. Just a thought.
"Keep your eyes on those geiger counters, kids. Tick, tick, tickety means run your ass outta there, and then pop some RadAway for good measure."