If you've got 3.5 hours to kill, John Carmack's Quakecon keynotes are always fascinating. id games may not be the greatest titles around, but Carmack's knowledge and skills continue to shape the future of gaming across multiple platforms. There's been a great deal of rumor and speculation about Valve's plans for Linux support, including the Steambox (which trusted sources have told us is an actual project). Newell's distaste for Windows 8 is well-known, and while I happen to disagree with him regarding Windows 8's likely impact on the game industry, there's no denying that Valve's actions will have an impact.
Carmack thinks Valve's move could shake things up and spark fresh interest in Linux as a gaming platform, but doesn't ultimately believe that Steam will change much. His remarks are below, slightly edited for clarity:
Rest here