Personally, I feel like my balls ride "too high". They are often tight into a "ball" under my dick, causing my softie to "stick out and bounce", rather than hang down and sway.
To me, having genitals that hang down and sway is a powerful picture of masculinity, just as much as hair. When guy's are kids, they remember how small and close to their bodies their genitals were. Hanging low and filling the space between your legs makes a guy feel alpha male and powerful.
My genitals hang loose maybe 20% of the time and are tight up to me maybe 30%. The other 50% they are somewhere in between.
HOWEVER, i wouldn't do any stretching. My take on it is this: you don't know what age and gravity is gonna do over time. If you are in your 20s and stretching your tighter sac until it hangs low like you want, when you are 40 or 50, you're balls might always hang so low that it is annoying/stupid looking.
I guess what I'm saying is nature is better, even if it isn't exactly what you'd like. Look what happened to Micheal Jackson.