Sounds like Notbooks are making a dent: AMD says it's shipped five million Fusion processors since the architecture's debut, according to a report at CNET. In January, the company said the hybrid CPU / GPU chips had momentum , and as of last month it was quoting 3.9 million APUs out in the wild, but this week AMD says that demand has overtaken supply and it's completely sold out of the Atom alternative . Sounds like Intel's more than justified in seeking out hybrid solutions of its own , no matter where it might have to look to get a leg up in the integrated graphics market. Here's hoping AMD's other chips show just as much pep per penny (and milliampere-hour) as the original processor.