Thanks Rickmcd53, I have a nmea cable hooked up to my garmin but it is limited as for info. only info im really interested in is fuel data for gph sweet spot and ofcourse any other info that would come with it. I have a tach and fuel/tank gauge and the tach has the 4 warning lights. Although the larger touch screen units are nice they are expensive and un nessisary for my use. I will look up the Natilus. Thanks again.