Just looked @ J.C. Whitney and the Maier "Cruiser Style" shield looks like a good fit as well. Good price too $84.95
I must say I like the looks of the blue MRA as my bike is the same.
2007 Moto Guzzi Breva 750
If you reject the food, ignore the customs, fear the religion and avoid the people, you might better stay home. ~James Michener