What he said!!!!I agree the Hbird sidescan is a little better than the other options. They have a slight edge there but it is not an enormous difference. If bottom scanning is your thing, that is the best choice. However, they run Garmin controlled maps and their own Lakeside maps so if Navigation is your thing, its not the best option and there is an enormous difference in their supported charts and Lowrance. If radar was your thing, they would not be the best option either. Also, the sonar technology is not the same as the resolution of the screens. You won't find a big difference in the number of pixels of resolution on similar priced units across mfg. lines.