Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust . What we know so far: Following years of leaks and speculation surrounding Google's rumored ChromeOS replacement, the company this week finally unveiled its Googlebook product line. The search giant has struck deals with several established PC OEMs to design, manufacture, and market Googlebook devices. In an interview with Chrome Unboxed , Google VP John Maletis claimed that, unlike Chromebooks, Googlebook will be positioned as a premium brand offering a high-end user experience. He added that although the devices will be manufactured by third-party OEMs, Google will enforce strict hardware guidelines to ensure a consistent experience across all models. Google has partnered with Lenovo, Acer, Asus, HP, and Dell to manufacture Googlebooks, though Maletis noted that the companies will only be permitted to use components approved by Google.…