The one liter stuff by virtue of demand vs. supply...
Katy's Virus
Wreck-It-Ralph
Absolute Creme Brulee
Frenilla is a slam dunk if you don't count the fact that it just happens to be up now... as soon as it goes down we get the "when it will be be back" emails out the wha-zoo. Strawnilla has a loud clamor but it's so recently dropped that it just doesn't have the history of Frenilla in terms of inquiries.
Be Mine
Grape Cotton Candy
Radioactive has plenty of fans
WIR