http://www.albinoblacksheep.com/flash/soundboard/
I guess the basic purpose of this site is giving you the choice of various sound files to use in prank phone calls to friends. You chose one such as Arnie or Dr Evil and it puts clips of them saying things up for you to choose and fit into conversations as you wish. I've tried a couple of them and it is highly amusing to hear confused friends try and figure out why George W Bush has called them