Chris: They are a great idea, but BE CAREFUL!!! Sweepers can be certain death in a pontoon boat.

Be sure what's up ahead and get out and walk it around anything you are not totally certain of. If at all possible go with a friend who has been down that river or at least talk to the guys and guides at the launch to ask them of ANY possible dangers ahead.

I have a good friend who had to watch his friend die in a pontoon boat that hit a sweeper.
_________________________
No huevos no pollo.