The results to date show that the performance compared to "other' cats stays the same over the entire range of sailing conditions, there seems to be no "best" or "worse" wind conditions, . It is very managable in all conditions with no "bad" manners. There is no more or no less "nose dive" tendencies with or without the spinnaker (and the ALPHA does not nose dive anyway. All in all it is an absolute joy to sail.