See Pianoteq 4 Pro and other versions of Pianoteq 4 right here: https://www.sweetwater.com/store/search.php?s=pianoteq&Go=Search
Ray Williams from Music Marketing gives an in-depth demo of MODARTT Pianoteq 4 Pro, a virtual piano that uses synthesis instead of recorded piano samples. This lets you fine-tune your piano sound any way you like, with control over hammer position and hardness, soundboard size, and much more.
Learn all about Pianoteq 4 in this demo, then decide which version is right for you at the link above.