At the end of the day, whether you trade for Starbucks really depends on which you like better or which would diversify your collection. Your concern is probably whether you're making an impulse decision and regret it later, but seeking others' opinions doesn't help you in the end. Maybe you should head down to a shop and wear the Starbucks on your wrist to decide
I'll still give you my opinion since you asked, I'd prefer a bluesy sub to a starbucks sub. The main reason being the bluesy is such a unique a iconic colorway, whereas you can easily find alternative starbucks sub from other brands