If the additional price for the 6D vs. the T4i is not a barrier for you, go with the 6D. The full frame sensor, excellent high ISO performance, GPS and wifi features are all very compelling. The 6D, Coupled with the very versatile 24-105mm L lens, wi...
Buy a 3rd party manual (you can find them on Amazon) and sit with it open on your lap, working through all of the chapters and all of the camera menus, practicing as you go along. Take the camera with you every day and give it a good workout in many ...
I certainly wouldn't buy a new camera weeks before a trip and expect to get satisfactory use out of it. My experience is that you need to shoot a lot with a new camera, studying the manuals, learning the menus, etc. before you start to feel proficien...
BorrowLenses.com has great service, and I live very near their San Carlos HQ location, so pick-up and drop-off is easy. The reservation and pick-up process is efficient, the lenses are always in perfect condition, and I've never been disappointed yet...