When a product takes well over a full year to go from introduction to release, it's natural for consumer expectations to amp themselves up a notch or two. Such is the case with Razer's Chimaera, an Xbox 360-centric wireless gaming headset that was initially teased at CES 2010, and just started shipping to end users early this year. The company's been in the gaming headset business for some time now -- if you'll recall, we thoroughly enjoyed our time with the (wired)