It's for sure that once you start using 3DConnexion SpaceMouse and CADMouse you will never go back to your classical 3D mouse.
After using 3Dconnexion SpaceMouse and CADmouse for more than 6 months I am now sharing this review.
You can buy this mouse from official 3Dconnexion website here https://www.3dconnexion.com/
Buying from India? check it here https://3dxin.com/
or you can get one from amazon here https://geni.us/An9uJO