ACE-ING THE MARKET: Chromebooks sales are on pace to hit 7.3 million units this year, according to market research group Gartner, with the education market making up roughly 70 percent of all sales in 2014. But with nearly two dozen models (and many more, including older releases) to choose from, finding the right one can be a fit. Here’s a nifty comparison chart that allows users to sort and filter by the specs most important for you. Strictly by numbers, Acer leads the pack of manufacturers with 47 percent of US Chromebook market in June 2015, citing data from NPD.