I'm betting we'll see the new X Mark II calculator mouse, this time in six colors and with international availability. That and the 600D/T3i. And printers. It seems like most of the time there's a rumor of an invitation to a European press conference, they announce printers. Whooop-ity-doo.
I don't know how could you have overlooked Canon's flagship product; Lens Coffee Mug 70-200L. Nikon was devastated by this product on Photokina 2010, they've ruined D7000 announcement.
I am betting this time Swedes are up for some real treat, Lens Coffee Mug 28-300L with IS 
I'm enjoying the lens mug jokes (popular I guess since we can no longer make direct print button jokes) but I can't help but think, hey, IS technology would actually be great for a coffee mug.
we'd have to call it Coffee Stabilization instead, but can you imagine if the interior layer of the coffee mug was balanced gyroscopically to reduce the effect of translational and rotational forces? no more splashing all over your center console in the car ...