a side note here: Ueshiba O'Sensei (the founder of Aikido) once challenged some riflemen to shoot him. as they fired O'Sensei "dodged bullets" (not really, probably). not a real-life example by any means, so it's not meant to be an argument; just a little side note.
here's a secondary account:
http://www.aikidojournal.com/new/art...?ArticleID=485
there's a discussion on it at as well, at
http://www.aikiweb.com/forums/showth...&threadid=3986