Originally Posted by
Tommys
Not the best source but the wowhead DW SL guide says "Additionally, Brewmaster Monks can dual-wield again, and Windwalkers can use 2-handed weapons again. This doesn’t have a major impact on the way the class handles, but it does give you access to two weapon enchants, and it makes swapping between Brewmaster and Windwalker easier than it has been for the past two expansions. You can use mostly the same gear for both specs."
I cant see any reason it would be a significant difference between one or the other.