The main difference of InstantNotes from other note solutions is it's easiness of usage. While other programs wait a plenty of actions from you, InstantNotes will create your note in a second only with one hotkey. You can quickly organize your notes into unlimited count of themes. Themes will be saved automatically - you don't need to press any button to save them
You can export themes to the text files, also you can stick program window on the top to simplify text manipulations.