I don't have or used the listed sonar unit but the 240 X 160 pixels will result in a unit that is not quite so sharp as other units with at least a 240 X 240 pixels (the min. recommended by many sonar users). IMHO you get what you pay for. Of course, you can get an Eagle unit (aka "Lowrance) with the same features as a Lowrance for less money.

I had an inexpensive sonar unit on my boat and used it to find structure pretty well for quite a while. Then I put a better unit (more pixels) on my boat and all of a sudden started seeing things (where'd those tree branches, bushes & shad schools come from? ) that I couldn't decipher before.

Of course knowing how to use the unit you purchase is the way to go. Personally, I would invest in a few more $$ for a 360 X 360 unit and make the waypoint thing secondary (you can always have maps and triangulate). Prices seem to be getting lower and lower for better units, especially the B & W units. My present B & W sonar (6 years old) just goes on and on and I won't replace it until it stops working. Sold originally for $350 or so - a similar unit in B & W now for under $200.00. Color units? Can't comment (never owned one) but those that have them claim that they can decipher the bottom with them better and recognize fish arches better.

FYI: I discovered (when I sent a unit in for repairs) that Humminbird (and perhaps others) sells reconditioned units (depending on availabilty) with the same guarantee as a new unit. You could end up with a better unit for lessor price if you investigate this.