I actually have it narrowed down to MX Clears - from all the modern switches I've felt, this is surprisingly similar - I think more people should check it out.
From there, though, that narrows it quite a bit, because there aren't that many boards available with clears. Too bad I can't get a $60 CMStorm with clears :/
I haven't tried browns, maybe they're similar enough? The clears have a nice firmness at the top, then you push, push, push, and then in drops, kind of like a mini buckling spring, or the way a scissor switch feels (in a good way).
Any advice is appreciated!