I have one. It's fun. It works ok in slightly murky/stained water. In clear water it works really well. Negatives? The editing software sucks. And having to wait till I get to the house to watch the recording is kinda a bummer.
Again. It is still fun. I received it as a gift. I wouldn't buy one if it was my money. But, that is soley my opinion. To me, I can find something far more useful for fishing for my $200 n
Eat. Sleep. Fish.