With all forums, your going to get visitors either posting in a generals thread or the first thread they see, its just they way things are and not much can be done about it, so personally im in favour of the rules.

Even though it will of course add more pressure to the moderators, the least we can do as a community is help keep the forums clean, in turn will help others find the help or posts needed. It is always good to have a thread where you can place a question in which your unsure of the category, with firm rules, or at least at the bottom if the list