Hey Don, grab yourself a copy of the Jan. 2014
Hemmings Sports & Exotic Cars. There's a good article spelling out and comparing the basic characteristics and driving impressions of a 328 GTS, a 355 F1, and an F430. Well worth your time.
You can see the photos here:
Evolution of a Species | Hemmings Motor News
If you can't find one at your local bookstore, you can order one here:
Hemmings Sports & Exotic Car Back Issues | Hemmings Motor News