Right now, I am having the exact same experience I had in Cataclysm:
- Extreme boredom at max level.
- No idea what the current story is about anymore.
- Struggling with steady raid groups because people keep quitting out of boredom.
- After a friendlist at launch revival they are all offline for weeks now.
- The constant questioning myself what the hell I'm doing the max level content for...
And then finally I can already see another "Cataclysm" thing on the horizon: the very lightweight content patches that only bring class balance changes, minor quest additions and useless item additions (in this expac the toys...).
It just sucks... I love WoW and I hope things will (once again) improve at some point in the near future... But it's hard to have fun like this