HTC Vive is the solution the market considers to be the best at the moment.
The main reason for this is that there is the greatest freedom of movement in space. This means that it is possible to move 5x4m around inside the world you are in. With HTC Vive, you are in a room where there is six degrees of freedom, which means that you can bend down and see under e.g. the bed or look into the washing machine. This is therefore the right VR experience!
With HTC Vive solution, you do not get dizzy, which can occur with the other VR solutions on the market, where there is no six degree freedom.