Check with some area Honda dealers. Klockwerks offers the dealers "test" shields that they will install and let you try them. I'm not of the function over looks group. I am trying to find a happy medium and the MS just doesn't do it fm looking at pics. If I could see 1 in person I may change my mind. I ran a 13" Cee Bailey that worked really well, I'm 6'1 and 34" but it was light tint and just made the bike look too much like a full Wing. I currently have a (14") Klockwerks that has been cut to 11 1/2". I purchased it fm a mbr here not knowing it had been cut down but it looks great and is still better than stock. The wind catches me about eye level and I think a full 14 or even 16 would be ideal. Like you, I don't want to drop $300 without trying first.
In short, anything over 13" should work. Taka makes a recurve that sells for around $100 that I've considered. Somebody else makes a recurve that is 4" wider than the Kw, but I don't recall who. There are just too many other farkles to choose from that it makes for a head scratcher on priorities.
Well , after much research I bought a F-4 Customs 16" clear with Honda vent installed. Perfect for me. Great wind, weather & bug protection. If you're going cross country I'd call and talk to the owner. Maybe get a full touring ( tall ) F-4 Customs. They're pricy, but I'm like you, really wanted to do this just once. Crystal clear, will not scratch. Still looks brand new.
From years of reading here about windshields, the consensus is that if you want to look over the shield, the madstad is the way to go.
If you want real wind protection, and since you do not wear a helmet, I think you should get one that you look through.
One of my shields is a Light tint Tulsa Tall that I have cut down to a reasonable height. It is what I use for cross country riding. It is only about $140.
The rest of the time I use a 16" Clearview that I have added a mini madstad shield to. Without the mini madstad, the clearview is annoying at freeway speeds without a helmet.
I'll try a pic for fun. New server, maybe it will work: Never mind - still no worky.
I got the 14" this year, and am 6', with a 30" inseam, and I also have a Mustang seat that sits me 1" lower than stock. Reading your stats, and with the stock seat, I would suggest going with a 12" or 13" shield. If I was to order it again, I'd order the light tint, not the dark. The dark looks cooler, but it's pretty dark.
I traded my F6B for a K1600B but still have my 2 favorite screens for sale: SlipSteamer in clear and opaque OEM screen for summer. I am your size and liked both screens for different seasons. You can have them both for $150 plus shipping. My K1600B now runs 2 screens: opaque shorty for summer and taller clear one for winter --this combination is perfect for all year riding likevwe have in NorCal.
Do yourself a favor and just buy the mad stad. That's what you will end up with any way. I love mine and there are many others that will say the same. Pricey but worth it.