If you are acquainted with the Magento predecessors aka Magento 1.x, then you are going to love the all new Magento 2.0!
As the upgraded Magento is out in the market, the alluring and convincing reasons to adapt it are vast. In fact, Magento 2.0 has quite literally been stripped down and rebuilt from scratch to be quicker, easier and safer than the predecessors.
Initial findings do support the big claims!