What you mainly have to know about them:
-Best tactile feedback you can get
-Lasts about 50 MILLION keystrokes (up from 5 million on your normal membrane keyboard)
-They are "heavy" and robust, no more sliding/tilting on the desk
*Keycaps are super simple to remove (if you'd ever spill it's easy to clean)
My Logitech K120 has never worn out, and is easier to clean. You just open it, all the keys remain in place, and wash the front of it with all the keys, and the rubber gummy. Wipe down the circuit board and put it back together.
I've not seen one fail in ten years of constant use. So...