My appointment was at 10am and I turned up at 10:05. I was out of there at 11:30.
As to the documents just follow the document check-list from the Visa Centre and you should be fine. Make sure you bring photocopies of everything, especially your HKID. Oh there is now a new rule that says all HK PRs get 5-year visas and non-PR HK residents get 2 (if your passport would otherwise get less than 2).
this, but it doesn't say how to actually apply. And I can't find anything else about it, and had never heard of it before reading your post.
Right, but how do you apply for it?