Here's an interesting article about Gabe and Vale on Forbes. http://www.forbes.com/forbes/2011/0228/technology-gabe-newell-videogames-valve-online-mayhem.html So it's undeniable that making PC games is very profitable, if you're good at it. So that's $2.8 Billion in sales, last year. And it's growing at a phenomenal rate, and that's during a recession. Meanwhile console game sales are down.