Especially cool is the shock wave as the rocket goes transsonic:
http://newsimg.bbc.co.uk/media/images/46628000/jpg/_46628214...
http://newsimg.bbc.co.uk/media/images/46628000/jpg/_46628214...
http://www.andrewgraves.biz/ssc_stuff/images/exCS/Shock.jpg
EDIT: Someone down-mud this comment, no doubt because they think it's meta-discussion, or doesn't add value, or whatever. I don't care. I'm still going to thank people for doing good things.