I've played with a Specs Espeon, and while it is a little underwhelming, it pulls its own weight.
Espeon@Choice Specs
same EV's, Modest
Psycho Shock
HP Fire
Grass Knot
Shadow Baaaaaall
Whether Psycho Shock or Psychic is better is kind of iffy. HP Fire hits Nattorei/Forretress/Metagross and...