It would be quite awesome, however I'd be worried about how bulky it is... that armor is huge! I'd have to say that, if I attempted one, it would be the Tesla Armor that some of the Enclave Troops wear. That armor is so cool!
Anyway, if I do a Fallout costume, it would probably be a Vault 101 costume... MUCH less time, lol. The pip-boy would be fun to try to make.
Yeah, the pip-boy would be cool! I agree about the bulk of the armor. My friend and I were discussing making the armor earlier, and the bulk was our main concern; but I've seen people do some crazy stuff costume-wise, so you never know!