If you're only using your $500 PlayStation 3 for console gaming, you're missing out on half of its hidden versatility: the ability to upgrade into a fully functional PC! Inside that shiny plastic shell resides some decent computing silicon, just waiting to be released from its undeserved console shackles. And while Windows Vista and OSX are no-goes due to legal issues, there's no reason at all not to dual boot into a perfectly serviceable Linux platform when the need arises.