Sorry I'm late in replying to this one, been too busy studying! IMHO, if you were really fast before, you'll still be really fast now. If you had developed the skill set required for supervanging, adjusting the outhaul, and trimming the cunningham on the move before, then upgrading will make basically no difference to your performance. On the other hand, if you were struggling before, then upgrading MIGHT help. It wont turn a poor sailor into a pro tho! After all, they say that 90% of a boats performance is down to the nut on the end of the tiller!