But with a sufficiently large order, Fatar will make a keybed for you to certain of your specifications. Want heavier weights? Lighter springs? Make a large enough order (which an entire line from a major manufacturer is), you can get some control...

The thing about a thread like this is, it doesn't HAVE to be a mine is better than yours scenario, but also, with enough respondents, we might be able to see a consensus. So, it doesn't necessarily mean your choice of keybed is right or wrong (it's your choice, after all) but it IS possible to see what the general opinion of something is...
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An arranger is just a tool. What matters is what you build with it..!