Sony on Wednesday unveiled three new all-in-one VAIO PCs ñ the JS, LV, and RT ñ offering users a space-saving, albeit full-featured design, featuring options for an integrated Blu-ray reader. The entry-level JS does not come with Blu-ray by default, but can be added in as a configurable option. It offers a 20.1-inch LCD, an integrated mic and web cam with face tracking, and comes preloaded with Wi
