No one would accuse Samsung or other Chrome OS supporters of hardware overkill: the Chromebox Series 3 and other Google-based PCs often carry just enough processing grunt to browse the web properly. Imagine the resulting surprise when a Liliputing reader discovers an unannounced Core i5-equipped model listed as in stock at multiple retailers. The XE300M22-A01US carries a 2.5GHz, Sandy Bridge-era dual-core chip on top of the usual 4GB of memory and 16GB solid-state drive. That's far from c