Yes, I did. The first time I went to My Snipes, I couldn't figure out for a moment how to get to the forum. The community did refer to the area wher PMs are at, etc.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .