I have built appx. 20 pc's with the configuration you specified. Yes, it runs hot. I always install a lower case fan and (rear case fan or drive bay fan) all blowing into the case. Many of the newer Amd cert. power supplies come with an extra fan mounted on the outside which sucks the air through the power supply and out the rear of the case. This config. seems to work pretty well. If you have more than one hdd in your system I highly rec. the drive bay fan config.
I have not found it necessary to install the jet turbine coolmaster setup, but I'm sure it couldn't hurt.