I usually close the dividers and hit tab, and then with Document>>WSize on, create a new document. This creates the maximum workspace area that my screen can handle.
I imagine it will look fantastic on a big HD screen seen from your couch. A solid framerate with no spikes is really impressive for such a great looking game.
Update: playing with color variation: fixed some eccessive repetition in the normal and toned down the color variation to improve the tilling: In engine screens coming soon.