cobbler said:I ordered mine from Disneyworld.com. They sent me a voucher in the mail to be activated when I arrived. I think it took about 2 weeks.
You can always purchase them right at Guest services before you enter the park.
ampooh said:will the voucher be enough to check in our so you already have to have the AP in hand? I thought I remembered readign lat year you had to have the AP already.