Sometimes while programming in NetBeans you want to explore a particular file that you are editing on the file system browser, or maybe launch a command in a terminal to do something with it.
Some buttons have different heights, options dialog doesn't resize properly, labels are too dark and even disabled, links use hard coded fg-color, tables have custom colors
There are some UI issues when using the plugin with NetBeans 7.4dev and its Dark themes. Here you see some screenshots using the Dark Metal theme.