Right now on Amazon you can preorder a 4-disc Blu-Ray 3D/Blu-Ray/DVD/Digital Copy of Frankenweenie for only $26.99! It is on sale for $34.99 and there is an $8 coupon down the center of the page.
Plus, it ships free!! The regular price on this is $49.99, so this is a great deal! Please note – Amazon prices change often, so make sure to check the price before you buy.