请问有人买过Lenovo Yoga 900 laptop的吗？性能如何

有买过这款的吗？

http://shop.lenovo.com/us/en/laptops/yoga/900-series/yoga-900-13/?gclid=CNbf19Gews8CFQWLaQodQeME9A&cid=us%3Asem%7Cse%7Cgoogle%7C89847109784%7CLenovo%2BYoga%2B900%7CIIP_NX_Lenovo%2BIdeapad%2BYoga%2B900%7C202895744&s_kwcid=AL%214030%213%2151771427064%21b%21%21g%21%21lenovo%2520yoga%2520900%2520specifications&ef_id=V3GfZQAAACi0drl-%3A20161004225228%3As#galleryVideo