I didn't really like the Studio Style, but I do love the TeI3 inserts. I've never rolled a GSS Scotty, but it's a pretty looking putter.
It depends but based on those numbers, either a 21 or 24 in one of the 32 combined settings may work. If there is an advanced fitter near you at www.fittingworks.com, they will have the hybrids and launch monitor to dial in your specific yardage needs…
Vokey just released a jersey with the Titleist logo on the sleeve. I am not sure of the remaining sizes, but they are available on the Vokey website.