I have done everything I have found to make my SP3 run cool and efficient, but at times the fan still comes on mysteriously and when I check, the back is warm. I open task manager to look for some mysterious power-draining app or process and find nothing. Is there any sort of app that alerts to high power drain and ID's the culprit? Something like this would make troubleshooting quick without wasting a lot of battery while I try to figure out what's wrong. I bought my SP3 with hope that it would be my new tablet but it continues to pigeonhole itself as an inconveniently-floppy laptop. Thinking of using the trade-in value of my iPad 3 for an iPad Air 2 and vectoring back to the iOS world. It's disappointing, but SP3 just isn't doing what I need it to.