don't forget to set the maxfpsbk... this is the frames per second while that window is in the background.
this will save cpu and gpu, giving you more performance for your foreground window.

also, consider turning your widescreen verticle.. turning your 1600x1200 into 1200x1600... and if you split horizontal, you get 2 screens that are 1200x800, almost perfect

it makes for a very slick look: