2 days from Canada! Unbelievable!
Still playing around with them but honestly, the hype is real. I've got a baggie of about 65 vintage blacks labelled keepers, they were hand selected as the smoothest switches from the 4 wyse terminals I gutted. These are smoother than 90% of my keeper vintage blacks, and just as smooth as the remaining top ten percent.
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The heavy snow in East coast USA is delaying shipments to 2 days instead of 1 day. :(
The smoothness is unreal. Just wait until you apply some lube on the sliders. You'll never be able to touch brand new mx reds/blacks... I say so from experience (my stock mx red keyboard is sitting in a corner).
As for lubing, I recommend squeezing _VERY_ slowly upside down on the syringe until you see a small spherical drop of lube on the tip. Run the yellow tip up and down on the 2 sliders inside the switch, then apply some lube on the stem slider + feet. Too little lube and it'll feel the same as stock, too much and you'll hear plopping. You'll know when you've achieved the optimal amount. ;)
Don't forget to shave/clip a bit of the friction points on the PCB mount pins. It'll make your life easier when inserting them into PCBs.