Re: handheld gps
I love the Garmins. I have had 2 of them and my buddy just bought one for his wife. She loves it.
I have a Garmin Quest. I like this unit because it's small, color and I can use it in my car, my wife's car, in the boat and while hiking. It is waterproof, you can upload some maps, but the screen is a bit small. I paid $250 for it about 2 1/2 years ago. You can find them on eBay for $100 or less sometimes.
I must say, though, the Lowrance H2O model looks nice. I've just never put my hands on it.