The O series was launched in December with the O5S initially, and Lian-Li a few weeks ago released a mid-tower sized version, the O7S. Built to impress, the chassis has a stunning design, nice cooling and a lot of visual trickery harbored. Let me give you an example, don’t you hate it when you purchase an expensive graphics card and all you can see through that side-panel windows is the backside of the PCB and the top of the VGA card?