Essentially what it says on the tin. An automatically generated, educational PM with either a) a short but thorough explanation of how roleplaying works on RPG or b) links to various guides already written (but subsequently officially approved) by our members. 

This would help to eliminate confusion among new members. I personally think the subforums and their descriptions are self-explanatory, but we frequently see new members posting threads asking questions, or worse, making mistakes and not posting in accordance with established etiquette. 

I'd even be willing to write or compile the PM myself, or perhaps it's a good project to keep our moderators busy.