For the most part, it's looking like it's just up to what you want now.
Although they've said that before, and it ends up being wrong and something has an advantage, either in combat or on the auction house. It looks like though we're essentially getting 3 more professions through garrison buildings, or 1 more and a boost to your two professions on your character.
Ugh, I can't freakin' decide what to do for my warrior. I'm so confused.
Looks like blacksmithing allows you to craft and upgrade gear to the same ilvl as Blackrock Foundry flex. Not sure if it's worth it or not...