Not an easy choice, but I came to the same conclusion every time I thought about it: my MM Studio Class80 R1 (shown here with N and M keys transposed, oops 
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Itâs built like a tank, has a great finish, and excellent machining. Even the hardware exudes quality - and itâs got a solenoid! The âNum Lockâ text on the indicator panel is a different font height than the other two for some reason, but I think it adds to the beige-era charm.
Thatâs all true of the R2 as well, but I really donât like the way the rear weight is magnetized to the case on that one because itâs all loosey-goosey. The indicator panel is done a little bit smarter the second time around, but is fine on the R1 as long as youâre careful during assembly. I also had to omit the solenoid from my R2 because the case doesnât want to close with it installed. If not for that and the way the weight attaches, my R2 would probably be here instead because itâs currently a much better sounding and feeling build.
I still plan to try other switches and plates in here before it reaches its ~final form~, but even in its âquick and dirtyâ iteration it handily defends the âcrown jewelâ slot in my collection.