This guy is absolutely amazing. His name is Yann Frisch. See if you can figure out how he does this stuff:
There's more on Frisch and his act here.
By the way, I don't wish to be pedantic, but the term that describes Frisch's art is sleight-of-hand, not slight-of-hand as the people at the link spell it, although it is pronounced as if the word were "slight."