2100deck, the 798 is still being used, but with the external 50 channel antenna, and will shortly fit the XHS 9 HDSI 180 T transducer. This transducer has a longer element and gives better resolution. The 798 has a small screen, so the difference may not be noticed, but should be more apparent with Hummviewer and Sonar TRX-SI which is also being used.