Apple has unveiled a revamped line of Macintosh laptop computers.
Along with showing off new MacBook models on Tuesday, Apple cut the price of the original version to $US999.
It is the first time that Apple is selling a laptop computer for less than $US1000.
Upgrades to Macintosh laptop models included custom-designed graphics processors to enhance computer game play and video viewing as well as glass touch-pads that allow finger gesture controls.
