I have been running disc brakes for a while and im building a new wheelset. I was looking at hubs and i noticed theres a lot more non disc hubs than disc hubs. It brought me to wonder, if i even need disc brakes. I don't ride a lot in snow, rain maybe but only if it catches me by surprise. I do all xc or road travel. CUrrently im running avid mechanicals with 6" rotors. If i switched to say, a high end avid V brake, would i notice a large decrease in power? and regret it?