In the strawpoll that I did where it would decide my 200th anime the winner was Fullmetal Alchemist Brotherhood. So now I have the most important question, do I watch the dub or the sub? I'm a sub person but if there is an anime that has a clearly better dub like Hellsing than I wouldn't mind watching it.
personally i prefer the sub, i watched the first 2 episodes in dub before switching and it wasn't the best first impression in my early anime days, didn't enjoy some of the comedy execution etc. i think the first couple episodes of fmab are the weakest but then it gets into its groove, the sub is normally a safer bet and has great performances