Thanks for all the replies on this thread.
Being a Canadian, we are anxious to pay before our dollar loses it's value against the American dollar.
We are going on a Disney cruise (booked through the Disney web site) and I called last week and the cruise has actually increased in price - $50. more a person but we pay the price initially quoted. I don't think that Disney ever lowers their prices.
Now, it is just hard to wait for our April, 2008 cruise.