You know what happens when you realize your $399 price point can't compete with the International Kindle and Barnes & Noble Nook at $259? You jack it up by $50 and hope people view it as an ultra-premium product, that's what. IREX's DR 800SG e-book reader, which admittedly comes with a salacious set of specs and features, has just landed on Best Buy's site as promised. The problem? It's $449, and not the