The interface would have to change to some degree... At least it should size up to make use of a larger screen area. Not just by maximizing it, but my actually using this screenspace for something better then "a big D|S button".
Also, if we do want some significantly new features, these will need significant new interfacing also...
Doesnt mean the actual overall style of the interface has to change thou. Even the easter-egg-like navigation here and there isnt really a problem if it were extended to new interface elements. It's all up to making some proper documentation manual to point out where the features are..

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