Faceplates are pretty. But, some people see more in them that just an item to enhance their 360's appeal. Some, are just plain obsessed. Its like collecting rare cards; or pokemon. Not that there is anything wrong with that ;). Rapid heart beats when in presence of rare faceplates and heavy heavy Ebay searching are just some of the symptoms.
Does this sound like you? Low 411 is here to help. Oh, no; not to help you get rid of it. But to fed it. They have a large list of Faceplates which are also categorized in availability, name, make, you name it, they have it. Check it out :)