Vulcan, the company set up by Microsoft co-founder Paul Allen, will show off its FlipStart always-on mobile "mini PC" this week. FlipStart is a compact 14.8 x 10.1 x 2.6cm (5.8 x 4 x 1in) notebook that sports an unnamed 1GHz processor and runs Windows XP. Vulcan's idea is to offer a machine that has the compatibility, power and application base of the mainstream Microsoft OS with a form factor that's little bigger than a PDA yet features a full QWERTY keyboard. Like a PDA, the device is designed to operate continuously, going to sleep when the lid is closed rather than shutting down completely. Read more: The Register.