The ASUS K53E proved to be a very potent notebook thanks to Intel's Sandy Bridge 2nd generation Core i5-2520M mobile processor that is uses. This notebook blazed through the benchmarks with relative ease and proved to be an ideal notebook for those that are looking for a good mix between performance and portability. We also found that the battery life wasn't that bad as we got about 3.25 hours of DVD playback and 4 hours of wireless web surfing before the battery called it a day...