Lenovo's flagship Yoga 900 laptop is an improvement in every way that matters
 

The Lenovo Yoga 3 Pro was one of our favorite laptops of 2014, but mostly for impractical reasons: At 2.62 pounds and half an inch thick, it was exceptionally thin and light, even for an ultraportable, but it suffered from relatively short battery...

http://www.engadget.com/2015/10/19/l...-900-hands-on/