The shaved look works better for you. You are young and trim so the less hair the more cut and defined you look. I agree with the others, if you clip or shave off most of your pubic hair, you need to shave or trim down the hair on your legs. Think nude male models. They go for an overall hariless look to highlight their bodies. Go for it. The hair wil grow back. As for the itching issues, try to use a good heavy moisturizing lotion or cocoa butte. It keeps all of the skin moist and less itching that way.
If you don't want all of the maintenance, I like some of the others shave my balls, but trim the bush down to a 1/4 or 1/2 inch. you still look manly, but it appears neat. Also, more of the shaft is exposed so your cock will look longer. Razors can cause problems with drag. Try those portable trimmers that CVS and other drug stores sell. They are small and battery powered with a safety cage over the blade. Less nicking.