I have been to TTN a few times. I like it a lot as a venue.
There is also Aftermath now on Wyndham...
Hong Kong Coliseum
Asiaworld-Expo
The Wanch
Wanchai Convention Centre
Tamar / Hong Kong Stadium
Grappas Cellar
Hong Kong Cultural Centre (TST)
Hong Kong Academy for Performing Arts (Wanchai)
KITEC
Other
Macpherson Stadium
The Vine
This Town Needs (Hidden Agenda)
I have been to TTN a few times. I like it a lot as a venue.
There is also Aftermath now on Wyndham...
I think you could have added the Wanchai bars as a whole. They're all close to each other and some have really good regular bands.