It's a waste of time, there's no point to it. People can see your username.
The ONLY point of signing your posts on a forum is plainly to annoy people. That is the ONLY reason.
soryy about getting into this, but there IS a reason, its good grammar. to sign your name at the end of a letter/post. now guys, i don't think that you should whine about one or two guys signing there name at the end of a post. thanks, regards, Howto774.