Well, I didn't realize that this thread was a treatise on everything that we did to our boats! Keeping to the dictates that the OP suggested ("can't believe others hadn't thought of it..") I only listed a new salon hatch. There were other improvements, however, that included:
SeaHorse, that was the original intent, but it is good to hear what everyone has done to gleen a few ideas that I may not have thought of. The simple quick cheap mods where you get the most bang for the buck are the best though.