Shamans

A couple of nights ago, I dusted off my shaman and started playing him again. I'm not sure I had even logged onto him since before the Burning Crusade was released. I respent his talent points heavily into enhancement and set off to do some quests in Tanaris. I was somewhat surprised to discover (or rediscover) that he was able to cut through mobs at a very rapid pace. His burst dps would have mobs two levels above him dead almost before they landed three blows. My problem was efficiency. I had to stop to drink after every other pull and in three hours of questing, I went through almost five stacks of water. Has anyone else had similar revelations with characters you haven't played in months or even years?