whats wrong with poles, i like it hammer cleans up the the area and lockable. spear guns can be pricey, dont want them walkin away.. I've been watching ebay for used spear gun. do you use rubber bands or air.. Here is a great site of guys spear fishing click on video.
http://www.florida-dive-charters.com/#
How about this pic. came across this pic of a piece of plexiglass on the bottom of the hull for a underwater view. Owner says boat has 3 of these views... says no leaking... Kinda cool... Z
[IMG]http://i2.photobucket.com/albums/y7/Zaff/seethru.jpg
[/IMG]