I received some information that suggested instead of a near future 7D Mark II, we’d see a firmware update that would add new features to the current 7D.
Most of the added features mentioned would aid video. It mentioned new visual aids on the LCD for exposure and audio. Also a suggestion about an autofocus feature being added. We have heard that a new 18-135 IS lens would be coming with a silent autofocus motor alongside the T4i, so maybe there is a new AF feature coming.
Canon has really only added significant features to the 5D Mark II via firmware in the past, so this would be a unlikely situation in my opinion. Although, adding features to the 7D to boost some sales while we wait for a successor does make some sense. Definitely CR1 for now.