speaking of Francesco Mugnai, he also has a great site called Oh My God. It Even Has A Watermark. it's a gallery of business cards that you can apply many different filters to, including things like color and material. a great place to get some inspiration. you should also watch the video clip in the about section, it explains the name of the site.
and p.s. if you haven't seen american psycho, read up on it before you put it in your queue. it's not about type design.