Speargun vs Pole Spear?

[MarkLaymon]

Most of my spearing has been while diving off of Palm Beach and Boynton Beach. But I have always used a pole spear.
I tend to like the simplicity of the pole spear over the added additions of using a spear gun.
Thoughts?

 

[CoralHeadsCay]

Reef Roller Series - KOAH Spearguns