With current LCD technology the distance between monitors can not be removed. In best custom mod it will be at least 1cm. Currently there is only one technology that allow the space to be in the range of 2mm. DLP monitor from Mitsubishi. At work I have 5x2x68" video wall. When you have 5-6cm between the monitors the color imbalance is not big problem, but once you get the gab reduced less then 4mm it becomes a real problem. The smallest color difference is really distracting. So if you ask me, for games get a supper hi-res projector and good screen it is much better. This setup is cool for professionals that are in need to keep eye on big amount of data in real time, like process operators, stock market brokers, aviation, traffic, and etc control applications.