my usual at Starbucks: Venti green tea latte, hot or cold depending on weather (for cold, half ice), 10 scoops, no syrup. it's not bad... both Waves and Blenz make much better Matcha Lattes (with real matcha) but the starbucks is readily available.
Also, the new green coffee refreshers are good (for cold drink).
their Chai latte isn't bad either... as for actual coffee, I rarely drink theirs. Not that it's bad or anything, I just also don't like to shiver like a crackhead. I like to drink big drinks... a venti of any coffee there will **** me right up