I'd like to see desktop apps adopt a Spotlight/Alfred/Sublime-type autocompletion UI. Hit some keyboard shortcut and you get a "command palette". By typing, you get command suggestions.
An app could easily display not just matches but also a help screen about each match (not possible with today's menus). Also, text matches could be in categories/tags of commands. Type "select" (or even just "sel") and it'd offer commands related to the category "selection", for example.
Such a UI could easily work as a replacement for a classical menu bar, in that it would be a superset of this functionality (a menu bar is essentially an "unfiltered" match UI, exploded).
An app could easily display not just matches but also a help screen about each match (not possible with today's menus). Also, text matches could be in categories/tags of commands. Type "select" (or even just "sel") and it'd offer commands related to the category "selection", for example.
Such a UI could easily work as a replacement for a classical menu bar, in that it would be a superset of this functionality (a menu bar is essentially an "unfiltered" match UI, exploded).