I owned one for four years and there is not much I would change. I always thought the boat was beautiful - even the high cabin trunk. It sailed really well, too.
I wonder if the benefits of two rudders would be worth the added complexity?
I am not very tall so the footrest positions for the driver were perfect for me. Taller drivers, especially in breeze, would end up sitting with their upper body outside of the top lifeline (the video above shows an example of this). Besides being against the rules (as I understand them) it also usually meant that we were sailing the boat at too high of a heel angle. I wonder if the "European" lifeline set up on the Melges 32 applied to the Tiger would make the driving position more comfortable for taller people? This set up has largely been abandoned by the 32 fleet since it limits how hard the crew can hike off the back of the boat which is not as critical of a necessity on a Tiger.