The Humminbird 1159ci HD Combo is currently the most affordable model in the 1100 series. That's because it only has the standard Dual Beam Plus sonar with SwitchFire, without Side Imaging and Down Imaging. It can however be upgraded with an Xtreme Depth transducer, to achieve superior depth capabilities, or with a Quadra Beam Plus sonar for better coverage. Its standard Dual … [Read more...] about Hummingbird Fish Finder 1159ci HD Combo Review