One of my favorite Shakespeare spoofs is Seamus Kennedy's Three Minute Hamlet (http://www.youtube.com/watch?v=e31bOXbDyog). Unfortunately, Seamus didn't do the same for Macbeth, but there are a couple cute takes on the play available on YouTube.
So, to get you in the mood for the real thing, take a look at these. . . .
Animaniacs takes on the witches-over-cauldron scene:
http://www.youtube.com/watch?NR=1&feature=endscreen&v=xWQX47spGr0
Tomorrow and tomorrow -- in Spanish, then in Italian
http://www.youtube.com/watch?feature=endscreen&NR=1&v=DJNqSQEqXqI
http://www.youtube.com/watch?v=jM9mF_QQKxY&feature=related
And, in case you like hip-hop, here's the Macbeth rap
http://www.youtube.com/watch?v=E4cMHnWIR9k
