seebart wrote: I bet your blue Alps felt smoother inside the Datacomp.

Actually no.. They felt smooth, absolutely, and the sound was really something else. But I've only had blue Alps as single switches, never tried them in a keyboard before, so I guess I wasn't sure if I was just imagining it because I wanted it to be true.
But once they came out and I had them between my fingers, I could compare the smoothness against other switches without the variables introduced by keycaps, plate, etc. And they are glorious!
They sound completely different outside the keyboard of course, and fiddling around with loose switches can't ever tell you what they're actually like to type on; but in terms of smoothness versus scratchiness specifically, I can tell better with desoldered switches.