Had mine for about 3 months now, and I believe I found a usable sweetspot for it that finally put a smile on my face. The 550d is 18 megapixel and jpeg's just don't do justice for neither the camera sensor or lens; so raw is the way to go. I like the quick and silent autofocus with the smooth zoom and focusing rings that focus accurately on subjects; The metal construction gives reassurance, although I think it may be vulnerable in between the metal mount and zoom ring if you keep holding the ...