Anyone ever use Portable Fish Finders

Hi,

New guy here. Wondering is anyone has ever used portable fish finders. I am looking for something to put on my canoe and wondered if they are worth the money. I have been looking at those Humminbird Fishin Buddies.

Thanks in advance

Paul[/list]

Hey guy-I have heard good things about the hummingbird and I would love to have one myself. BUY IT!!