e4 - Eclipse 4.0 : First Impression

Looks a bit funny

Off is On and On is Off - I saw that Build Automatically was Off so I switched it On, and then my code changes had no effect... few minutes later I realized that if something is turned Off in the UI, it may mean that it is actually turned On! e.g.Mark Occurrences, Build Automatically.  Or in the case of 'Edit > Smart Insert Mode' I cannot even toggle it.

Layout and minimized Views - I like the overall layout and the fact that I can put views in the editor area. I also like the way when minimized views are selected they open in a pop-up sort of a way. Overall the UI/layout feels nice.

Custom Key Bindings - mmh...

Order of menu and toolbar items - The ordering of items in menus and toolbars can be a bit different from 3.x versions. e.g. navigate menu, run/debug toolbar

I can use it for my daily work, except for some minor glitches and some funny behavior I have been able to use it for last few days. And I do like the layout, mixing of editors and views, and the overall feel of the UI to not go back to 3.x (at least for now).