Lenovo has updated its Yoga 700 product line with a new model, the Lenovo Yoga 720. This model is best described as sleek, silver and slim, if you'll forgive the alliteration, and it comes with a sub-$1,000 price. There's a lot to like about this laptop, and you can spot some of them upon first glance -- the ultra-slim bezels are a great start, as is the ultra-flexible hinge. Is the latest Yoga model worth the upgrade, though? Read our full review to find out!