I often like using styles that I wouldn't choose by myself, e.g. in order to enhance my own musical spectrum or in order to get unconventional results which might be surprisingly good. But when I go to the Style Picker window to pick a Style, I then often take just one of the top listed Styles or a Style that sounds interesting by its name. Therefore I'd find it nice, if the Dropdown-Menu of the Main Window's Style Picker Button would include an option "Random from all available Styles".