For my Weiter trip to Starbucks I want to get something I've never had. Can anyone give me ideas on what I should get?

I've had kekse, cookies N' Creme Frap, karamell Frap, Cotton Süßigkeiten Frap, pfirsich Green Iced Tea, erdbeere and Creme Frap and a Vanilla bohne Creme Frap. Any suggestions?