We say:

We are delighted to have added the Nord musical instrument range to our portfolio. They represent the very highest quality in terms of digital instrument design, sound and playability. The Nord Piano 5 73 Stage Piano is the ideal compact stage instrument. With the combination of a premium Triple Sensor keybed and Nord's exclusive Virtual Hammer Action Technology, the portable Nord Piano 5 delivers an exceptional playing experience. Building on the success of previous versions, Piano 5 has a fully expanded design including double the onboard memory as well as rich new sounds.

Nord say: 

Get a realistic playing feel. Nord's unique Virtual Hammer Action Technology in conjunction with the physical hammer movements delivers outstanding authenticity and dynamic response resulting in a keyboard action that handles dynamic playing with amazing control at any velocity level. Play with all the best technique.