Geez, if you are going to get to 99.8, you might as well go that extra 0.2 mph and get to triple digits!
Chris - I meant to tell you this earlier, but better late than never. This is an excellent forum for the Lowrance GPS and XOG in particular
GPS Passion Forums - Lowrance. There are lots of useful posts on the XOG including an extremely long one on page 2. One of the biggest problems people have been experiencing is trying to use mapselect.com before upgrading to the latest version for the XOG.