Hey, just finished my review of the Canon 70D. There are some awesome things about it and yes the auto focus is one of them. Though not everything is perfect. Check out the description or the end of the video for a link to the raw files so you can check out the results for yourself.
http://learningcameras.com/reviews/4-dslrs/178-canon-70d-review-and-test
http://youtu.be/hj2mcVw5p_o
http://learningcameras.com/reviews/4-dslrs/178-canon-70d-review-and-test
http://youtu.be/hj2mcVw5p_o