Tim, I agree with you about covering the entire boat to keep the elements from fading the gelcoat but we were talking about another $500 on top of the $1200 to build it. So I kept it simple and asked them to cover just below the rubrail. They also gave me a removable cover for the swim platform.
Manny, I had the guys at Waterski America order the cover for me from Dallas Canvas and Boat Tops 972-910-9052. They offer a 5 year warranty versus the 3 years if you buy direct but I could have saved another $100.
Regarding the ease of installation, there are no poles required and I never experienced any collection of water or pools of water after a rain storm. The downside is it requires 2 people to install the cover, one to hold the bow portion and the other to hurl the cover over the tower and adjust it over the siderails and it's not trailable. It comes in 2 configurations to tie down the cover, one with the usual nylon straps and rachet system and the other with a rope and pulley system. I have the nylon straps but I wish I had the rope. Also, they will tailor to your needs, bimini in the up or down position.