We admit to being more than a little skeptical when Ruslan Kogan, Aussie tech entrepreneur, promised a cheap netbook within weeks, after his Agora smartphone stumbled out of the gates, but sure enough he's come through, making a run down to Australian PC Authority with a very working prototype of his upcoming netbook -- confusingly also called the Agora. What he demonstrated was a fairly standard 10-inch netbook package, featuring a