The Hisoka cels below are among my favourites. The detail in the faces can't be seen at this magnification, but they really are stunning. The cel on the left is not a key cel, but the one on the right is an A1end Hisoka layer, and B27end hand layer.

Hisoka fights Gon and evades a storm of punches. It's not the best cel, and the centering is practically non-existent. However, for 3000 yen I'm not going to start complaining. This oversized cel is from Hisoka's introduction when he steps onto the platform to fight ... uhm ... someone. Help XD