i'd love to type everything that has been discussed on this topic over at lucasforums, but it's way too much to try to reiterate. so here's a link to the thread.
http://www.lucasforums.com/showthrea...56#post1427956
there are very good historical reasons for the topic being discussed as well as some obvious, practical reasons and analogies. but i found it all pretty interesting, check it out.