Ceiling light fixtures are great for starters, but when it comes to setting a specific ambiance, they do not quite do the trick. They leave unwanted dark corners and unflattering shades on decorations. Table fixtures with shades are still popular, but overall, they are quite impractical. A floor lamp is easier to clean, has a better throw of light, and casts the most flattering shadows for the room.
When you first get started on home interior decorating, it is a good idea to have at least some notion of the kind of color scheme you might like. That is not to say that you cant change your mind while you are working out a plan. It is much better to change at this stage than when you already have the paint on the walls.