Apple may currently be prepping a huge display upgrade for its MacBook Pro line of notebook computers that would be on par with the bump from its iPhone 3GS display to the Retina Display on the iPhone 4. Citing sources from within Apple’s component supplier chain, DigiTimes on Wednesday reported that Apple will add new display panels to its MacBook Pro laptops in 2012 that pack a resolution of 2,880 x 1,800 pixels. The new displays would quadruple the resolution of the current 1,440 x 900-pixel screen on the 15-inch MacBook Pro, just as the 960 x 640-pixel Retina Display on the iPhone 4 quadrupled the iPhone 3GS’s 480 x 320-pixel panel. The report notes that both Acer and ASUS are planning high-end ultrabooks with upgraded 1920 x 1080-pixel displays next year as well, up from the 1,366 x 768-pixel displays used on early ultrabook models.