6. Time of Tea, #02-44, Lucky Plaza - The store has been there
for sometime now, but I think they are relocating soon. Tea
appreciation classes available, but be forewarned, the place is
constantly bustling with Japanese ladies wanting to know more about
tea! 
7. Singapore Teahouse, 2 locations: a. Basement 2, Takashimaya,
corner of the food section; b. Basement, Bugis Junction, middle
section of walkway. Just got news that they brought in some Old
Banzhang tea...haven't got a chance to go sample it! - BTW they
have a 3rd location in Suntec Tower 4, outside Carrefour, but the
place is just too small and noisy to seriously have tea...Singapore
Teahouse used to conduct classes on tea at the Esplanade store, but
since they relocated to Suntec, I'm not so sure if these classes
are stil available... 