It's not gonna happen overnight (and thank goodness Jannard & Co. are really pressing to make things happen sooner than later), but you can't help but think that RED has a lot to do with Sony's now public entry into the 4K foray...
http://www.hollywoodreporter.com/hr/content_display/film/news/e3i0q3OxqCLwzMJjXqp7YfVGQ==
http://www.hollywoodreporter.com/hr/content_display/film/news/e3i0q3OxqCLwzMJjXqp7YfVGQ==