Deus Ex: Human Revolution Coded Message

A post to our forums relates the Deus Ex: Human Revolution "special message" the action/RPG prequel teased as coming today, though it looks like an extra-strength decoder ring may be required to work through it. Thanks to Shinyreaper for passing this along:
This was apparently followed by the following, passed along by eRe4s3r:
5 - / ! f / f q / x c / q y / d 3 / ? x / t $ / j #