pick up the 50mm 1.8($120 new), and look into the 75-300mm, you can find them for $100-175 on ebay. I've got a 75-300mm III USM sitting here, but I actually prefer the super cheap ass 80-200mm, because 300mm on a crop is ~ 480mm, and that is just excessive. The cheap 80-200mm is also light as hell and compact, which means…