Elisabeth Filarski, the sweet-natured 23-year-old footwear designer from Boston, became the latest castaway to get booted off Survivor: The Australian Outback. But the biggest shocker was how last night's episode revolved around Colby, whose victory in a Reward Challenge earned him a Pontiac Aztek SUV, a hot shower — and a full-course meal served by a mystery guest: his very own mother! Filarski's ouster leaves the Texan stud to duke it out with Tina and Keith in next week's season finale. For more, see this week's recap.