Quote Originally Posted by OracleofWuffing View Post
Well, that put things down to whether Speed or Special Attack should be boosted, then. I'm leaning towards Special Attack, because I'm guessing that any environment that allows Keldeo has enough other pokemon that'll outspeed it.
Serebii did a spot on Keldeo a couple of weeks back and their suggested sets lean more towards boosting speed on a special sweeper set.