Right - I've had a bit of an experiment - I put 5 switches in my QWERkeys switch tester each with a GMK Esc cap on in the following configuration
1) Non-vintage black
2) Vintage black, original bottom housing
3) Vintage black, different bottom housing
4) Lubed vintage black, original bottom housing
5) Lubed vintage black, different bottom housing
And I have come to the following conclusions (obviously very subjective).
1) Vintage blacks are definitely smoother than regular blacks (I think we all expected that)
2) Without lube vintage blacks in their original bottom housing are ever so slightly smoother than in the different housings
3) With lube vintage blacks definitely feel better than either original blacks or non-lubed vintage blacks
4) With lube there is no difference between vintage blacks in their original bottom housing and in a different bottom housing
Now to sticker and lube 88 vintage blacks (86 for the board and a couple spare just in case)
GK