Futurist's Guide to Gadgets!
DC Heroes' rules for gadgets have undergone more official revisions than any other set of rules in the entire game. First edition had its rules and then, the Hardware Handbook completely overhauled those rules. Second Edition and the Batman Roleplaying Game tossed most of that and presented fresh rules, which were then slightly edited for Third Edition and the again slightly re-edited in the DC Technical Manual...
Even a die hard fan like myself could see that the rules needed some attention. Thus, the rules in the following posts were born!
I hope that I accomplished some, if not all, of these goals.