Thanks all for keeping this post going. I am still having all the same issues, and am glad to hear that its now a service ticket. I've tried everything listed here, but with no luck.......
There are different coordinate systems that you need to be aware of.
AZ, DZ relate to your VIEW coordinate system. That is a coordinate system that is like "locked" to your monitor screen and into a cube into the depth of the monitor - so to speak. When you rotate the graphics this cube stays the same but the graphics often is "wandering" beyond the cube...
You should forget this approach and try the "clip volume" (as Bear recommended) Try e.g. the Place Fitted Clip Volume (under second last of the View commands - ! if you are in V8i SelectSeries1) or one of the other clip volume commands. Then rotate the view. You can switch of the Clip Volume in the View Attributes if you later want to work outside the limits.
You may want to Switch on the ACS-Triad (View Attributes) to see your "active" coordinate system and I recommend to find out what you can do with the ACS-Coordinate systems (Auxiliary Coordinates Dialog).
With the ACS-Plane lock your datapoints "fall" on the xy-plane of your current coordinate system (if they do not (Accu)-Snap to a existing element)
If you then use AccuDraw shortcuts (e.g. O,T, E, Enter,...) and keyins to work you will be moving around your 3D space like a fish in open waters.
Info for the selected function? Click into the "Toolssettings" dialog and press F1 -- Info zur aktuellen Funktion? Klicken Sie in das "Funktionseinstellungsfenster" und drücken F1