While I haven’t tried barb yet, I played druid in preseason and had similar experience to yours. I am probably in a minority, but I like slower combat overall. What’s the point of resource like mana or fury, when it’s completely full all the time? Once you starve a bit, it makes for decisions, priorities. I don’t want Diablo to be PoE flying all over the place and clearing whole screens of enemies.
Just got two in space of ten minutes, never seen one before, good luck!