Apple today unveiled new 13 and 15-inch Retina MacBook Pros, which have been updated with Haswell processors for enhanced performance and significantly improved battery life. Like the Haswell MacBook Airs, the new Retina MacBook Pros do not feature any cosmetic changes, retaining the same form factor as previous generations. With the Haswell processors, the 13-inch Retina MacBook Pro will now have 9 hours of battery life, while the 15-inch version will have 8 hours of battery life. Both models include Intel’s Iris Pro HD Graphics and the 15-inch version also features a Crystalwell chip from Intel. In addition to Haswell chips, the new MacBooks feature 802.11ac "Gigabit" Wi-Fi compatibility, which offers speeds up to
