The goal of the UI is currently to replicate Classic with the appropriate hints from Threads.
This, therefore, would not include extensive DHTML menus. That isn't to say that we aren't considering some DHTML goodness (such as hiding admin bits and icons you can't use), nor that we might change our minds before beta and decide to go with a more Eve-like UI. But for right now, you can count on the relative simplicity of the current layouts. It should feel comfortable and familiar to all current customers.
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