I think that if you wait you may get what you want; I suspect Canon is looking at an interchangeable viewfinder body, that could well be the 5DIV. After all, Canon are in the business of selling cameras, they must come up with a product that makes prospective purchasers buy, whether it is really required or not. A body that can either fit a normal high quality pentaprism and use the mirror, or lock the mirror up and fit a really good EVF in place of the prism would be interesting. I could see this coming on the 5 series first as this is a general purpose body, whereas the 1D series is more for those that still really benefit from an OVF anyway. And the 5 series was the video dslr. This would also put the DPAF to good use; I always thought Canon would do more with this given the complication compared with a few DP scattered about the sensor.