Though I can't say what my favorite morph is, due to it being developed my color preference in order are: Miami, Bloodred, Okeetee, Red Candy Cane, Reverse Okeetee with red (not orange or washed out) saddles.
My pattern preference in order are: Motley, Aztec, Normal
for Shelley (my wife)
Hypo Lavender, Floresent Pink Snow, Bubblegum Snow she also likes Motleys and Aztecs.
~Jeff C.