Imo diamond pleat is the best choice for a CV/CVX. (I wouldn't trade yours for anything Barb.) Followed by press pleat. I'm not a huge fan of buttons either, but they do look good in certain applications.
Keep in mind there are some purty far out textures available nowadays, embossed into smooth vinyl, that are very cool. Morbern makes one called "shock" that looks kinda like carbon fiber, purty neat.
Another thing to consider is you're gonna have to live with your interior for as long as you own the boat. So don't rush into it. Get samples, compare colors & manufacturers, material specifications, etc.
She's coming along nicely Tim. Carry on.