Given that it's not 2008 and all, it's not every week that we tell you about a new Atom-powered-netbook -- not that any of the usual suspects seem likely to throw in the towel anytime soon. Acer just announced availability for the Acer Aspire Happy 2, that rippled, Easter Egg-colored number that reared its head back in April. As you'd expect, it runs on a dual-core Atom N570 CPU -- a small upgrade over the N450 the last generation offered. And while it still has the usual 10.1-inch display and 250GB hard drive and WiFi radio, it steps down to 1GB of RAM from 2GB. Aside from t