I have owned both a 6.0 and an I20. Don't be mistaken, these are both big, fast, powerfull RACE boats. While they could both be used as lake "toys", there are probably better choices out there. However, if it's one of these two your looking at, I'd say they are about equal for what you want. The I20 has a bigger, cleaner tramp (no cheese slicer running through the middle of the tramp), but the 6.0 is boomless and that may be something you like. The fun-factor the spinnaker adds on the I20 is awesome, but it takes sometime to master, and a fair bit of strength to sail with. As far as the beam issue goes on the 20, that happened to my boat. The repair is simple, cheap, and quick, and the result will actually be stronger than what you started with.