The Hong Kong White Book is used by practitioners in court on a daily basis. You can be confident it is of the highest quality to keep you well informed.
Westlaw HK gives you commentary on the rules of the High Court both before and after Civil Justice Reform to ensure you have all the relevant materials at the touch of a button.
Hong Kong Civil Procedure Forms are available online so it's easy to download the forms needed for a specific case.
The Hong Kong White Book 2009 and the current edition are included as part of a regular Westlaw HK subscription.