Clearview, Gustafsson (St. Augustine, FL) and Charly Perethian (North GA) all make good screens to fit the Triumph brackets.

http://www.bikescreen.com/

http://parabellum.com/Sport-and-Touring-Shields-Triumph-C11.aspx

Charly worked for Craig Vetter (of WindJammer/QuickSilver fame) before heading out on his own. He makes a good product and has a good staff. The Speedmaster pictured on his website belongs to a member here.