I haven't. I use the Roku to put things like Netflix and Amazon on the big screen. I remember trying a few different things to put content from my server on the Roku, but I could never get it to work smoothly; there were hitches both with the on-Roku software and with encoding issues. Instead I just bought an Intel NUC for that.

In a few years I hope I can replace them both with some sort of Android device, but for now I don't mind two devices.