Have a newbe question. Is it advisable to put a 27 inch monitor on top of the 6400m. I have a space problem. I have a 5 inch riser that I can put the monitor on, BUT I will only have about 3 inches from the front of the 6400 m to the edge of the corner desk. If I can put the monitor on top of the 6400m it would be better. Would this be ok. I notice that some of the pictures on the internet show it on top.