It would be very useful to see what the rating is of someone who posts to a forum, especially in the chess-related forums.

Often I will open that users profile screen to find out, as the "level" of the question, as well as the "level" of the answer would normally depend on the posters chess knowledge.

As an example, if I had to ask a question on knight development, the level of advice I would appreciate would be much different to, say, Ironman31's