[elmocookie]

Have been thinking of trying scuba diving for years. Any suggestion which club offers good beginner course?

[Pekkerhead]

http://www.splashhk.com/

these guys if you want expat instructors.

if you are not bothered then
http://www.prodive.com.hk/eng/index.asp
but actually these guys have native english speakers too.

I have dived with both and can recommend either. Splash are based in Sai Kung, Pro dive are based in Wanchai.