Doors are still showing in 3D window even when the model view option is set to "show opening only". Is there a setting I'm missing?

I can't seem to find the shortcut/command to use the arrow keys to pan in AC28. In previous versions, I could just use the arrow keys to pan left/right/up/down slightly; can't seem to get that to work with 28. I've scoured the shortcut scheme to no a...

I like to have my toolbox detached (un-docked) from the main window. Problem is when I do this, the tool box extends beyond the bottom of my screen. I can't get to the bottom of it to stretch it back up to the bottom of the viewable screen. Brand new...