Replying to Camera experts weigh in!

Im going to be purchasing a camera that will be used equally for filming skiing as it will be for taking skiing pictures/landscape photos. I have done a bit of filming with the t2i and the canon 5d mark ii. But i don't understand much about the camera's past iso, focusing, and proper white balancing. I'm looking at the 7d mark ii which is what i'm looking to spend but i could be convinced otherwise and would appreciate some sound advice!

Thanks NS