Personally, I think you look good with or without hair, but the buzzed look is more sleek and professional on you. It can be a bit of a shock at first, but that's only because you were used to the mop you had; when other people see you all they'll see is another normal young guy.
Like others have said, it might be good to at least try shaving with a razor. It generally grows out to a buzzcut within a week, so if you don't like it you'll be right where you started from. However, once you start shaving and getting used to a completely smooth head, it can be hard to go back. I think you could really pull off the fully sly look.
Keep us posted!