So many Star Wars fans. Maybe y'all should read this (note no. 7 on the list):
Ten geekiest hobbies
I think I'll agree with Chris...there probably isn't much you'll find in aikido principles/philosophy (whatever that is) that you can't find elsewhere in the wonderful world of the martial arts.
The practice of aikido will persist, and most likely due to the many things you are able explore while engaged in cooperative aikido kata practice; things that are more difficult to do when you're trying to actively beat each other into a pulp. Not that actively beating each other into a pulp isn't fun...