I have shaved that area when I was playing H2Opolo. I hate shaving in the first place and found that it not only can be come irritated if you do not keep up with it, it also iches like crazy when the hair starts comming back. If you must then I would say just do a bit of a trim. I think SuperCuts would do it anyway you want for a reasonable price
Some what on but off topic. This reminds me of a time during infintry school a buddy was shaving his sack (for a bit of a different reason) and another guy jump in the bath room and took a pic. Funny as hell because of the expression on his face while holding his nuts up and a razor to them