Oh and maybe most excitingly is how nice and easy the EFF word list makes it. Just roll 6 dice into a shoebox, check which word corresponds to that. Do that 6 times and you've got a passphrase.
@cwebber seems like.a different ranbowtable problem
@b the math for that is factored in, see http://world.std.com/~reinhold/dicewarefaq.html
@cwebber
I built my password by clicking "random page" on wikitionary 3-4 times