Several reasons

- Disaster - both my C15 and MD600 die the day after warranty expires

- Improbable - Meridian stops support

- Curiosity - to be able to drag and drop the independent rip (e.g. dBpa) to a 'different' system to try.

- Murphy's law - all backups are corrupt when you need them

Main : C15, MD600, Aurender N10, EMM DAC2X, Boulder 865, Oppo BDP-95, JM Labs Maestro Utopia
Office : PC, Resonessence Invicta, HD800