Interesting discussion. I see the value of smaller cards - forces you to change cards more often during a trip/shoot and insures against a catastrophic loss of all your photos should a card go bad. I did buy a 64g card after upgrading to a 70d. I w...
Checkout the canon videos on http://www.learn.usa.canon.com/. They have everything from beginning videos on shutter and aperture up to how to shoot video with the 70D. You can also download different "Quikguide" in .pdf that you can save to your P...