Imo, a netbook + Jolicloud is as good as highly-mobile computer gets.
See, I wanted to like Jolicloud, but all of the "Apps" are just normal programs or websites wrapped in Prism. Using the facebook app was about half the speed as just going to it on the browser.
That's why I think Chrome would be a better choice for netbooks than Jolicloud is.
Plus there were too many UI rough patches for my OCD self.