Got my hands on a 390 with a bad power supply. The guts were simple mATX, so I put it into a Silverstone low profile home theater case with an actual ATX power supply. Tossed in a 750ti low profile and it is a decent little gamer for some lower end and older titles! I did end up having to do some serious modifications to get the power button and LEDs on the case working, as well as ridding of the errors at boot (for lack of USB2.0 cabling, front panel cabling, and switch cabling. All said and done, pretty well worth it!