I'm not sure if this topic should be here on in "Travel", but I'm putting it here for now.
I just renewed my US passport using the Secure Mail Services pick up & delivery sevice between my office here in Oxford and the US Embassy in London. The entire process took exactly 3 weeks. My new US passport arrived this morning, after having the application and my old passport picked up by SMS exactly 3 weeks ago this morning. For just 19 Pounds over the passport renewal cost, this was a great deal compared to making my way in and out of London to deal with the embassy in person.
I just thought I'd share my experience with everybody here. It's great to be able to report that everything worked as it should have!
Janet
(lordcelery.blogspot.com)