Good article. As a player nothing gets me off like bad interface and interaction flows. The following text has got nothing to do with Bethesda or their internal processes. This is a collection of thoughts, not answers, gathered from a developers who work in this exotic field called: UX Design ...
@Andre: http://www.gamasutra.com/view/feature/4286/game ui discoveries what players .php If you haven't read this short article, please give it an eye. It compactly sums up the fundamental usability questions. Might come handy as a guideline when starting to ponder these questions more thoroughly.
