Here's a quick post that will no doubt further amuse those of my friends who take the mickey about my l33t OCD oranised-ness.
Right by the door to my room I've got a little three-storey office in-tray (in no way stolen from my office many years ago) which I use it as my 'drop box' when arriving in or departing from the flat. The three layers are used like so:
All part of the place for everything and everything in its place principle.
Let the mickey-taking commence...