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Working on proof-of-concept testbed using available hardware at hand. Decades of pro IT experience, but total noob with Emby for home use. Emby Server is running on a Mac mini (Mid 2010), 2.4G Core 2 Duo, 16GB RAM, its stock internal HDD (320GB 5400 RPM), with an external drive to house recorded media. Recorded mp4 (m4v) media streams perfectly on all devices, no worries there. Added HDHR Connect to experiment with streaming Live TV, it set up very smoothly and displays 32 available local OTA channels. SD channels and subchannels stream just fine with default settings, using ffmpeg transcoding, on both wired and wifi connections (and on the server machine itself). But, it seems that 720p and above HD channels are simply too much for ffmpeg to handle with this CPU, and I have to manually change settings on the remote app (iOS is all I have played with so far) down to 480p/420k for those HD streams to keep CPU load for ffmpeg below 100% and get the HD channels to stream at all. Same result with the Roku app. This Mini has the Nvidia GeForce 320M 256 MB GPU, but there is apparently no support for that, and it probably wouldn't be much help anyway. Grateful for any wisdom on the recommended system requirements to support live HDTV transcoding from the HDHR Connect, since clearly this is not enough! Or, maybe I need to get the Extend with built-in transcoding to h.264...(?)