Sales of Windows-based PCs may be plunging, but shipments of Chromebooks in the second half of the year are expected to rocket by as much as 200% to 300%, according to a just-released export. Acer, Lenovo, HP and Samsung will all be cashing in by launching new Chromebooks. How badly will Windows 8 be hurt?Will Chromebooks be the dagger in Windows 8's heart? | Computerworld BlogsWhile you weren't looking, Chromebook sales have been taking off. They typically sell for under $300. The best-selling laptop on Amazon as I write this is a Samsung Chromebook with a 1.7 Ghz dual processor, 2GB of RAM, and a 16 GB hard disk. Digitimes claims that "Currently, Google, Acer and Samsung's Chromebooks together already account for about 20-25% of the US sub-US$300 notebook market, showing their rapid sales growth in the retail channel."