TBC is the best expansion ever really, its the last legendary expansion before everything turned to be easier and more meaningless. When we are in heroics in TBC everyone is careful, using abilities like CC, careful about tactics, they are true heroics how they are supposed to be.But in WOLTK heroics are soo easy people just run and run. I really bored doing heroics in WOLTK because there is nothing hard. After WOTLK no need to talk even, every expansion was much more easy then previousI have no idea what is fun to play easy that much.
And RDF is great for TBC.
Only professions are weak, but still TBC is the best.