I don't have any issues, but my friend has exact same system and his idle temps are 31'c. The only difference is I have a coolermaster cpu cooler. I'm using all default settings
http://postimg.org/image/yfjljim67/
http://s17.postimg.org/pxcojga5b/temps2.png
http://postimg.org/image/yfjljim67/
http://s17.postimg.org/pxcojga5b/temps2.png