The most intersting and important feature on the door may be the pull. it is the element we touch and interact with it is how we feel a door - you rarely will touch the door slab. The NYT ran an article on Rhett Bulter, the NYC resident architectural hardware superstar. Check out tyhe article. This guy is such a dork i love it
"It’s an amazing field — it incorporates design, history, material sciences. It’s a technical thing and a decorative thing at the same time"
http://www.nytimes.com/2010/08/19/garden/19qna.html?ref=garden
http://www.erbutler.com/