Played from about 3 months into vanilla, all the way until WOTLK dropped. I stopped playing pretty much as soon as WOTLK came out and then about 3/4 of the way through WOTLK I leveled one or two characters to 80. Completely stopped after that.
Now I am just mucking around on a home server getting baller gear and having a look at Cata's change of the world. I am thinking of going back into Vanilla/TBC and mincing the dungeons on god mode for fun to get a bit of a nostalgia kick.