Originally Posted by Undead Fantasy
Shin was stronger than Piccolo in the Buu arc.
Yeah, slightly stronger than a regular Super Saiyan with a bit of training before everyone headed into the RoSaT.
Originally Posted by Kevinroc
Wasn't Dabura at Cell's level?
Pretty much, and it concerned Shin. So that's somehwere between Goku and Frieza on Namek to Goku or Gohan during the Cell Games.