Apple may be planning to update its MacBook Air line next week, according to a new report from MacGeneration [Google Translate]. Citing reliable sources, the website notes that references have been made towards new devices featuring screens of 11-inches and 13-inches, which are the current display sizes for the MacBook Air. Apple last updated the MacBook Air in June 2013, which featured Intel's energy-efficient Haswell processors, faster PCI Express-based storage, and faster 802.11ac Wi-Fi.