At CES, Everex is launching a $399 ultramobile that will be sold through Walmart.com starting January 25. The low-cost Everex CloudBook uses the open source gOS V2 Rocket operating system and VIA 1.2GHz C7-M ULV processor, same as the $199 Everex gPC. The Cloudbook is designed for Internet usage, not for heavy duty graphics applications. Like the gPC, it will come with software or links to FireFox, gMail, Meebo, Skype, Google Documents & Spreadsheets, Google Calendar, Google News, Google Maps, Wikipedia, Google Product Search, GIMP, Blogger, YouTube, Xine Movie Player, RhythmBox, Faqly, Facebook and OpenOffice.org 2.3. The unit weighs 2...