Pentax's Optio RZ10 looked fairly impressive on paper, and even when we handled it at Photokina, we reckoned it would be quite the standout in the bargain-bin point-and-shoot arena. Turns out that's not exactly the case. The fine folks over at PhotographyBLOG have put this pup through its paces, and while the handling, build quality and price all felt right, the image quality well, didn't. And as you well know, there's hardly a silver lining to find when a camera's images aren't up to snuff. Even at ISO 200, critics spotted startling amounts of no