So these guys have a youtube channel dedicated to destroying stuff in microwaves.

iPod:
http://www.youtube.com/watch?v=On9N0D0IF_A

Furby:
http://www.youtube.com/watch?v=4XOzpjuPGlE

Mercury light bulb:
http://www.youtube.com/watch?v=mARTS...eature=channel

Amp tubes:
http://www.youtube.com/watch?v=OBK-VYclGeI