Hey Apple! Way to go raining on Barnes &Nobles’parade by stirring up rumors of a product announcement tomorrow. Engadget is reporting that Apple is preparing to announce a bunch of new products (without sending any invitations to the press?.. weird),including “new iMacs and plastic MacBooks,revved Mac Minis (including one that runs OS X Server),a new multitouch “Magic Mouse”and some sort of multitouch desktop trackpad accessory.”We can only wait and see.