Somewhere around here, there's an old thread where we were looking at options for project our screens to TVs. That was well before miracast/chromecast. I believe Roku was announced but the SlingTv box was about all that was being mass-marketed.
Black Friday predictions on streaming boxes: Everything will be under $100
https://www.techspot.com/news/71267-black-friday-predictions-streaming-boxes-everything-under-100.html