I love sweet tea, but don't really count it as "tea tea," especially from a fast food place or in a can. All of those are just sugar water.
I like mint/chai/black/chamomile (if you really want to shit) hot. Milk in all of them except mint, and I prefer using honey to sweeten tea as opposed to sugar.
Green is great too, but I'd rather have it iced. If hot, same protocol as mint--honey and no milk.