"The limited edition of Dead Space 2 for the PS3 will include last year's Wii-only title Dead Space Extraction, fully optimized and upgraded for the PlayStation 3. That means HD, Trophy support, and the works. But if you don't want to pony up for that set, because you can also download it separate on the PlayStation Store. Either way, you're probably wondering, "Is it worth it?" Sony unveiled the Move controls for the game at the Tokyo Game Show, and we got to take a look. Read on to find out if you want to pick up the Dead Space Extraction experience."