Hi Zali,
From one who went thru depression waiting for repairs, I would think a full set of spares for now and the future at $400 approx.in another KB, is a cheap way to go in the long run.
What are you going to do while searching the world for a part and not being able to play?
As the lovely Audrey says, sit in the corner and cry.......Think about it.
Ray
The Saint
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Ray The Saint