In reply to Tall Clare:
To be fair, I can't see a lot of difference between the 80D and the 60D I have currently - so suspect the 70D is spot on.
@Nicholas Livesey: it is not necessarily whether you could take better pictures with one over the other, it is whether you would gain more enjoyment from using one over the other. One might amount to the other, but not 100% of the time