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The GUI has nice new shiny buttons. There is now an option (per user) to display the buttons with an icon and text, just an icon or just text. The icons are colored consistently. Blue for read-only, Green for read/write of data, and Red for removing data. Oh, and there are a couple of yellow/orange icons for warnings. This makes sense to me. 
As well, there is now a per user option to use a 'compact' GUI. This makes the table rows (and associated buttons) smaller so more information fits on the screen at once. An example screenshot is below.
There is no more worrying about SSL/HTTPS. As it is now just a regular site on Apache and not essentially two separate sites that needed to talk to each other, so HTTPS "just works".
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Summaries Collection. | Devices Collection. | Networks Collection.
| Compact Display |
Discoveries Collection.
| Dashboard (for Professional and Enterprise licenses).
| Device Details. |
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