I have a Chrome Werks +4 on order. I hope to get it next week (been or order for about 4 weeks). I'll post my opinion of it after I get it on the bike. I had a Chrome Werks on my Venture and liked it, so I'm hoping that I'll like one on the wing.
Depends on what you want, if you want wind protection than Tulsa is the way to go, if you scratch proof than F 4 is for you, if you want to look aver it than there are other options to look at, -4" windshields, There are as many windshields as there are oil choices.