We've lamented the way Apple's latest MacBook Pros switch between their integrated Intel graphics and the NVIDIA-sourced, power-sapping discrete silicon pretty much since day one (we're sorry, but Tweetie just doesn't need all the horsepower our systems have to offer). Apple has yet to pony up an official solution, but a neat little utility -- Cody Krieger's gfxCardStatus -- has been quietly evolving over the past few weeks into a decent substitute. Originally designed simply to let you know which chipset's currently in use, the latest version, 1.6.1, now allows you to togg
