As the current owner of one of the ugliest boats still out there I'm enjoying this thread. I have an irrational love for my Cal even though it looks like the bastard child of a gun turret and a Lapworth hull.
They may be ugly, but in the right hands they are winners. Got two of em that race locally, one in the flying sail division and the other in the no-flying sail division. Both regularly place at the top of their respective divisions.