If you don't have it I might not suggest it. I love it. Once in a while certain keys stop working, lights stuck on ETC.
Simply load Topre software Don't have to do anythig. Loading the software fixes it. Also when this occurs I find that the backlight brightness is not where I set it. Have experience on 4 machines.
Just an FYI but YMMV I suppose. I bet firmware could fix mine. There currently is none.
I had reported before it was broken. It is just some bug.
