Hello
After a few days rearranging stuff, here is the lastest display I came up to : (potato quality, I wish I could screenshot the LCD screen)
While out of game : http://i.imgur.com/GAHukfu.jpg
While in game : http://i.imgur.com/zNusNFE.jpg
We have the Download / Upload rate (in a bar graph, top right), the ping (graph + actual value), Day & time.
Then RAM, GPU and CPU in %. While in gaming mode, the FPS show up the same way as the ping.