Agree OPPO 105 gets a little warm. Seems whether to turn it off or leaving it on would depend on what ways and how often you use it. The 105 offers a wide array of functions and is pretty good to exceptionally good at them. I power down my equipment at bedtime and turn it on with the coffee pot. Suggest adding a truly better (not just more expensive) PC, PC connector and power supply upgrades and (the biggest difference maker) a tube buffer with better tubes and cables between OPPO 105 and the preamp. These cost-sensible upgrades (mindful that the 105 is built to do a lot at it's price point) did help the OPPO as a source sound less digital and more open and authentic- like real people playing music on real instruments. I'd caution against over spending on a nice but still a mass produced price point piece.
