What consumes cycles needlessly is running it as a screen-saver or repeatedly clicking on the "display" option so you can watch it draw the proteins that are being folded. I have my screen saver set to "blank-screen".
Other's opinions may differ from mine, but I don't think it's worth switching to a different mode.
Thanks for your replies and the information. I'll leave my setup the way it is. I do like to check my progress now and then, but I'll keep that to a minimum.