I am a begginer in photography and i want to change my Canon AE-1 Program, I saw the Olympu E300 with an Zuiko lens of 14-45mm on $499.99 on amazon.com but the i saw also the Canon Rebel (300D) With an 18-55mm lens at the same price but refurbished....they both have great reviews, but i just don't know wich one to get....could someone help me?