After 10 days of use my experiences here. The battery is permanently installed, so replace only by a specialist. Expensive Stains (fingerprints) can be removed only with difficulty. Very high weight, unusual in this price range. Connections for power HDMI RJ45 Internet on the right Gehäusesete and Kopfhöhreranschluss.USB sockets and plug-in card slot for use with mouse a disaster. The plug of the power supply can be difficult in the socket insert, the power cord is very stiff. The keyboard backlight is only in red and can not be exchanged in a different color, the color red is annoying. No indicator lights for capitalization, WiFi, Mummernblock, the dual function of the keys can not be seen at the keyboard illumination. No operating system CD available. No detailed operating instructions available. Unnecessary own programs from Acer to be enough to be distracting. All these apparent shortcomings for me and at that price no thanks.