Inside of the Steam Machine and some Steam pad prototypes.
Entertaining thermal design that. Silverstone 450W Gold SFX PSU, fairly simple CPU cooler, plenty of air space for the GPU. Not a bad design, though the hybrid HDD is a bit of a disappointment.
[url=http://www.wired.com/gamelife/2013/11/valve-steam-controller/]Prototypes[/url] and an [url=http://www.wired.com/gamelife/2013/11/valve-steam-machines/]article[/url].