It's not clear if it's related to that mysterious $3.9 billion "strategic investment" or not, but it looks like Apple could be about to throw some serious cash in Samsung's direction. According to a report published in the Korea Economic Daily, Apple is expected to purchase some $7.8 billion worth of components from Samsung this year, including displays, applications processors, and NAND flash chips -- all intended for use in iPhones and iPads. As the paper notes, Apple would become Samsung's single biggest customer if the deal goes through, although the two obviously aren't strangers