My favorites out of the various MX varieties are the Clears, but they're not easy to get. They're basically Browns with an ACTUAL tactile bump (the Browns themselves have one that's so insignificant it might as well be straight-up linear).
Note that I don't like linear switches, even for FPS gaming. I like to know when my switch actuated and released by feel alone, and the Blues and Clears do a good job of that. (Blues have a really high release point relative to actuation, though, almost near the top. Doesn't thwart me for double-tapping too much because I generally release the key all the way first before pressing again, but it's the main reason I'd rather have the Clears if possible.) To make matters worse, MX linear switches have a long throw, the sort that would make me wish the keys had analog pressure sensitivity. At least your typical Japanese pushbutton (Sanwa OBSF-30 in particular; haven't encountered Seimitsu buttons yet) has a short, shallow throw, making it easy to bottom out. (Even then, I still prefer Happ/iL microswitched buttons with a nice, tactile click.)
The point is, just because the usual rhetoric says that a given switch type is best doesn't necessarily mean that it'll be best for your tastes. They're good starting points, but not the end-all be-all.
