WHile battling these 2 issues I ran into a new one.
I thought all my work was gone. Corrupted scene... but I got lucky and tried the tall window layout on the layout button and the Unity Editor recovered
I am making copies of all my .unity files regularly now, in case unable to recover from these crashes.
1 and 3 are bugs and should be passed on to the Unity programming staff
If you drag the tab in the window back to the main tab bar, it should work (First part of your third issue)
The rest however are bugs and missing features, neither of which belong on Unity Answers - You should either bug report, or use http://feedback.unity3d.com
answered Jun 30 '10 at 07:15 PM
THIS IS MY MESSAGE THAT I TYPED IN THE HELP-REPORT PROBLEM option in Unity.
This link is not a bug, but explains what the first link above covers. http://answers.unity3d.com/questions/14070/position-camera-accurately-in-the-editor .
answered Jun 30 '10 at 08:07 PM