Is Cadillac offering the best luxury/sport sedan value today? The CT5 V-Series is a joy to toss into a tight turn and costs thousands of dollars less than its German competition. It may not have the raw horsepower of the late great  CTS V, but for real world romps on empty country roads, this new model has the finesse needed for a great time. Tom Voelk checks out a well equipped CT5 V in Shadow Metallic and asks the question- does this car need any options at all?