I stumbled across this wonderfully entertaining video series a couple of days ago. (I've been having home made smoothies everyday for breakfast the past couple of weeks) "Will it Blend?" comes from the blender manufacturer Blendtec. They have some amazing blenders. I don't know if the videos will get me to spend upwards of $400 on a blender, but these videos have object lesson material written all over them!
Here's one of my favorites: