You can see the test results here.
"HOD" = Heart of Darkness
"BB" = Borealis Black
"BSB" = Bay State Blue
"II/VV" = Iraqui Indigo/Violet Vote
"EI" = Ellis Island
There is some feathering with most of these inks, but I think it's minor and certainly acceptable for a sticky note. Ink dries very fast on these notes, by the way -- smearing may not be an issue for most people under most conditions. Of course, as always, YMMV.