RE: Kombat 107
I agree there are many factors. Personally, I feel that a slightly bigger platform's advantages outweigh the disadvantages most of the time in most places, largely because most locales are more likely to have lighter wind than heavier wind. In my case, which was not the same for the original post in this thread, the reduced bouyancy / up force of fresh water is also a factor. based on prior experience, having ridden the 96 in fresh water, I suspect in 5.0-6.0 winds I would prefer the K87 over the K9x (agreeing with you). Bigger sails - my prefs would probably depend somewhat on the rig and on sea state.
Sadly, no more sailing this season as I was playing with my dog, we had a bit of an accident and I now have a broken finger. Oh well, next year...