Apple will probably discontinue the 17-inch MacBook Pro sometime this year, argues KGI Securities analyst Ming-Chi Kuo. "While adding new products, Apple is likely to stop making the 17" MacBook Pro this year due to falling shipments, in order to maintain a lean product line strategy," he writes in a new memo. He estimates that Apple sold about 3.1 million MacBooks in the March quarter, but almost 1.5 million of these are expected to be 13-inch MacBook Pros, sitting ahead of 1.1 million MacBook Airs. 15-inch Pros could represent just 500,000 units, but 17-inch system