Since I dropped off from being a Supporting Vendor the forum is telling me I now have too many messages in my box.

I was trying to find out what number I can have, and how this changes or not depending on the level of forum membership, but I can't seem to find it.

Would it be possible to add descriptions somewhere of what the different membership levels contain? It certainly isn't on the user's subscription upgrade page (which would be a good place to have it), and I couldn't find it elsewhere, either.