The best Evernote realization I ever had was to create an Evernote notebook called "@Inbox" and make it your Default Notebook. (The @ in front of the name ensures it will be sorted to the top of your notebook list.)
From then on, you can quickly save notes and web pages into your Inbox notebook and move on with your work without interrupting your flow.
Then, when and only when you have time, you can review everything in your @Inbox and sort each note into a more appropriate notebook. That doesn't mean you can't have a catch-all "My Notebook", it just means new notes don't end up in there, un-processed by default.