I have two HDHomeRun Prime 3CC units connected to mid-range 2011 Mac Mini (2.7 GHz i7 dual-core, AMD 6630M, 8GB RAM, 240GB OCZ Vertex3 MI, 750GB 7200RPM) running bootcamp. Everything is fairly good. I have issues with 29/59 frame rate bug with the original system using Intel HD 3000 integrated graphics. I did the suggested settings for AMD GPUs and its barely noticeable to me.
My only issue reliable return from Sleep (S3). I get no tuner available and eventual lose all tuners and have to restart. The systems are currently set to Max Performance with the PCIe set to Moderate Performance and the Minimum Processor to 5% and Drives Sleep at 20 minutes. I had to do something to keep the units cool and save power.