Spiderheart hit level 80 this afternoon while doing quests for the Brunhildvar in Storm Peaks, an area and set of quests I continue to love.
Later in the day, I did my first heroic-level tanking, for acquaintance sin the Nexus. At first I stank. Then I stank some more. Gradually I didn't stink quite so much. We finished up downright okay.
I have a lot to master yet.