Maximum PC: Windows 8 begs to be touched, and though that's problematic on non-touch notebooks, you don't necessarily need a new laptop to take full advantage of Microsoft's newest operating system as it was re-imagined. Yes, you can get by just fine with a keyboard and mouse, but an intriguing compromise is a new Touch Pen device from Targus. Designed for Windows 8, the Touch Pen turns virtually any laptop into a touchscreen PC. (CES 2013, PC hardware, Targus Touch Pen, Windows 8)