Having the bows out with spinnaker relieves the helm, makes it more responsive to steering (less likely to lee helm as well) and just seems to go faster with less likelyhood of "pitching" if the bows are driven through the water.
Darryl.
The first part seems natural, as you effectively rake the rig more aft.
The "go faster" bit, wouldn't that be largely dependent on the type of hull you have? Would this be valid for eg. the Mosquitos and Tornados also?
I have a DVD, with among others, Mitch and Herbie sailing their T. I always tought they had their weight rather far aft, but perhaps you just pointed out why to me..