Totally agree with everything said in the previous posts. I think it is the BEST product going for learning the lake. I could barely turn the computer on when I bought my first disc and I was able to figure it out. The guy who put these together ( Pat Hahs ) is very helpful with any question you might have.
Usually during the Winter, he holds seminars at various boat shows (Murray, KY for sure) and demonstrates his product and how to use it. It's like having a fishing guide in your computer!!