You can get pretty much any feel you want from a mechanical keyboard. For soft you go with the "non-tactile" i.e. "linear" keys like cherry mx red. You can also

You can get pretty much any feel you want from a mechanical keyboard. For soft you go with the "non-tactile" i.e. "linear" keys like cherry mx red. You can also get rubber rings to put on the stem of the swich so you get a softer landing. Available in different hardness, shore a40 or a50.