My advice would be to find a certified Titleist fitter and go there. They will help you find not only the right clubhead for you, but also the right shaft which is more important imo.

first off thats incredible and im jealous!.with ur clubhead speed u might be leaning towards a d3 since its for a guy who wants a lower launch and spin.but u wont know for sure until u get fit with the proper head and shaft as the shaft could dramatically alter spin,launch,and overall distance.hope this helps

it depends on the ball flight you want. The D2 gives a high launch off the tee due to the deeper and bigger 460 face. The D3 gives a lower launch with lower spin due to the 425 face.