Seeing as Apple have just now announced that it will go on sale from 5pm I think I'll be making my way down there just before lunchtime, fortunately I've got the day off so it's not going to be a problem for me, but I can see a lot of people asking their boss if they can take the afternoon off or finish earlier...I don't want to miss out!
I've never queued at any Apple Store on a launch day before but seem to remember people queuing at the Kingston store before, IIRC they usually have a roped queuing area just outside the store entrance much like every other Apple Store in the land, although there's limited walkway space so I think it normally runs parallel with the glass paneling around the edge of the floor.
Maybe see you there 😉