I have a 5D with a 430EXii that I really like using for portrait and family work. Four batteries for quick recharge, strong, tilt/swivel for best on-camera use (bounce off the back wall, etc.). Has anyone used an XE1 or XPro 1 with similar on-camera flash? I prefer good ETTL, and not manual. Any recommendations, and how would the body handle with such a flash on it?