MacMice today announced numerous new products and a Mazda MX-5 giveaway at Macworld Expo in San Francisco next week. The new products include: PodBuddy car connection system for Apple’s iPod (shipping in February for US$99.99), a high-grip cigarette lighter plug, connected to an adjustable iPod holding cradle by a 6-inch length of flexible steel tubing; The Ball Bluetooth wireless trackball (shipping in March for $89.99), which follows the same clear over white acrylic design theme as MacMice’s existing USB and Bluetooth mice, and includes a top surface that works as two separate buttons, a scroll wheel, and a scroll switch.