Switches tested:    1) Matias Quiet Click
   2) SKCM Cream Damped
   3) SKCM Salmon
   4) SKCM Orange
   5) SKCL Green (also an SKCL Yellow)
   6) SKCM White
Springs Tested:   A [Steel]
   B [Steel]
   C [Steel]
   C [Gold]
   D [Steel]
   E [Steel]
Tested On:    * Steel Plate (Alps Party)
   * v60 Case
   * No PCB
   * All six switches with each of the six springs and an unmodded
   * Cleaned switches, but not re-lubed
   * Apple AEKII PBT Caps mounted on all switches (same profile for same switch)
My Preferences   I prefer a large tactile element that does not take a large amount of force (i.e. ergo clear).
   For alps switches my normal preference goes like so (linear are in their own bucket): 
      1. Blue 
      1a. Orange 
      2. White (if very clean) 
      3. Quiet Click 
      4. Cream Damped 
      5. Salmon 
   Salmons have always been an interesting one for me as I have never found them to be terribly 
   consistent and my first thought is to simply replace the spring and tactile leaf with ones
   from a QC to get a much better switch overall.
Findings :  I'm going to organize this first by switch (indicating my favorite combos for each) and then by
  spring giving a brief rundown on my thoughts.
Matias Quiet Click   Favorite: "D [Steel]" 
      The combination of the really light D spring and the super-crisp QC tactile leaf make this
      an amazing combination. Of all the combinations this is surprisingly my favorite. I want to
      try and remix the QC leaf into a Cream Damped and see if I love it even more with the extra
      stability from the complicated alps switch plate.   
Runner Up: "C [Gold]"
      A little stiffer but overall snappier than the D, the C [Gold] gives the QC a nice refined feel.
SKCM Cream Damped   Favorite: "C [Gold]"
      With the SKCM Cream Damped's much less aggressive tactile leaf the slightly heavier switches felt
      more at home. The C spring gives it some good bounce.   
Runner Up: "B [Steel]"
      A little stiffer than the C this works very well also.
SKCM Salmon   Favorite: "C [Gold]"
      Pretty similar to creams in most respects (just undampened). These would probably see the most
      improvement from some aftermarket lubricant, and that's what they're going to see at a later 
      time to get a better feel.   
Runner Up: "B [Steel]"
      Same as above.
SKCM Orange   Favorite: "B [Steel]"
      Oranges definitely have one of the lightest tactile leaves for alps switches giving them a 
      much more subtle tactile point (especially when compared to QCs). The B springs give it a nice 
      clean stroke that's not too light (which can destroy the tactile element).   
Runner Up: "C [Gold]"
      This should sound familiar but the C springs are right in that sweet spot that lets them work with
      most of the switches.
SKCL Green   Favorite: "A [Steel]"
      Naturally on the linear switches it's all about the springs. And for my money I'd say that the 
      stiffer feel of the A spring gives Green's a nice slot in between an MX Red and an MX Black.   
Runner Up: "B [Steel]"
      A little lighter than A, the B spring still provides enough resistance to not feel out of place.
SKCM White   Favorite: "C [Gold]"
      Lightens the switch up to a point where the White's feel downright Blue in feel. With a little
      addition of lubricant and this becomes an amazing clicky switch for a fraction of the cost.   
Runner Up: "B [Steel]"
      More of the same from previous reports, but the B switch has a great feel in the clicky switches
      as well. The interesting note is that the B spring seems to fill out the sound a little bit more 
      (likely due to the extra force needed).
A [Steel]   I believe the stiffest of the springs I tested, they definitely work well in linears, but otherwise
   I preferred the lighter springs.
B [Steel]   A little more in the middle these seem to work well with the less aggressive tactile leaves.
C [Steel]   Since these were all blinded I actually don't know for sure if this is actually the same spring as 
   C [Gold] or not. It's really similar if not the same. Could be completely within the realm of variance
   but it does feel a touch heavier in action than C [Gold]
C [Gold]   This was probably my favorite overall spring. It's at a weight that just seems to work for most things.
   The only time I wouldn't at least give it a look would be for linears I feel it would be too light. If
   this was indeed the same weight as C [Steel] it would be fun to do some double-blinds on this to see if
   I really can tell the difference between the two.
D [Steel]   Perfect for the very aggressive Quiet Clicks, otherwise a little too light in most of the other switches.
E [Steel]   Not a bad spring, I just never thought it was my favorite on any switch.
Final Thoughts:   At no point did I ever think "Huh, the originals are better". The reality is even for the switches that
   have been preserved almost perfectly, they've been in these keyboards for 20+ years and they just aren't
   as smooth as these newer springs.
   I'll definitely be ordering a number of D's and C's and B's!