I've become a big fan of Silk Road Spices. I am pleasantly surprised by how price-competitive Silk Road is on many items (even compared to the junk at the Superstore) and have always had a really nice experience at the store.
I found them in Chinatown a few months ago in a tiny shop . I think it was east off of Center St. on 2nd. Very good price too. Sorry I don't know the name of the shop but when I go to Chinatown I have to go to all of the shops, love exploring!!