Is this real? Is this happening? It's been over four years since AMD and ATI completed their $5.4 billion merger with the promise of Fusion hybrid CPU / GPU chips, and after what's seemed like nearly endless delays, the company's delivering here at CES 2011. And it's delivering in a big way -- the first Fusion chips are a direct assault on Intel's Atom and the netbook market, offering what AMD says is better CPU performance, vastly better GPU performance with DirectX11 support, dedicated 1080p HD video processing a