It appears Sarah's question has been answered. If they are sailing FX-1's in your area, THAT is the boat to get. But of all the boats mentioned, the Inter 17/F17 is definitely the best and fastest boat if you are large enough to sail it. You have to match your weight to the boat. You can sail the Inter 17 (2) up or as it was intended unirigged. There is a jib kit available. It also has a big boy spinnaker for those weighting over something like 500lbs! or so. The F17 also has a 30'4" carbon mast which will power up the boat quiet nicely. On top of that, it is actually closing in on 18" long. All this adds up to speed..................

Tom