1) One of the four screws that attach the bottom plate, I could not solve, and therefore had to drill. 2.) The headphone jack of the housing is connected to the headphone jack of the board with a normal plug, ergo believes the operating system (Windows 8.1 Pro), it would be connected a headset, not a good solution 3.) The cooling of the small mini-PCI board, so that which lies between the motherboard and SSD is not sufficient and the Intel WiFi / Bluetooth card is therefore failed quickly. For the SSD is a heat conductor, which connects to the housing, settled and seems to be sufficient. 4) I wanted to use in conjunction with a projector the system, thereby interfering with the particularly bright blue power LED but too much. Otherwise, the case is like a big heatsink designed without any gimmicks what stands out positively.