Worthless. Please sign before if you feel it should be buffed.

Honestly though I've picked up a bunch, I've never used 'em. I don't even know the difference between a standard model and the Railroad version (bar the RR one being worth more).

Stealth, in my personal experience anyway, has been pretty well handled - it is a valid option, but not a crutch. I've been satisfied with however successful (or unsuccessful) my normal sneaking is.

Also, power armour is suprisingly stealthy, even without the Stealth Field upgrade! Given it must have the total impact mass of 4-5 grown men, who'd've thought?

According to the guide, Railroad Stealth Boys last a little longer than the regular ones. The regular one lasts for 30 seconds, while the Railroad one lasts for 40. That's actually a 33% increase in duration.

Havn't used them in this game yet. Since we're in spoilers anyway, I hear you can pickpocket fusion cores from bosses. Going to need STBoy for that. Part of the problem may be armor making noise when you move. Don't know how great light weight muffled armor will be but i'm saving my cork.

Ever since the Stealth Boy change in Fallout 3, I've never bothered using them.