'Your password is shorter than Metal Storm's recommended 16 characters. At some point in the future, we will enforce a minimum character limit for old passwords.' Thought you guys said you weren't gonna enforce this?
Top 200 albums requires at least 200 votes, with only studio albums featured. Top 20 albums of the year, Top albums by styles, Bottom albums, Live albums and DVDs require 20 votes.
You can create advanced top-lists in the Album index, customizing genres, media types, minimum number of votes, years range and so on.