Atari has released a new set of cars available to download from Xbox Live Marketplace. Available to all Xbox Live Gold members are the Free Saturn Curve and Test Drive Collection - Volume 4 packs.
As its name suggests, Free Saturn Curve is totally free and provides Test Drive players with the Saturn Curve car. If you're willing to part with 350 Microsoft Points Test Drive Collection - Volume 4 can be yours. This includes the Ferrari Challenge Stradale, Cadillac Cien, RUF RK Spyder, Dino 246 GT, Lamborghini Murciélago Roadster, TVR T440R and Saturn Curve.