You can define soundsets and load sounds into them. All sounds are accessible via the dock menu for quick intervention :)
What's new in SoundBoard
Version 0.3: SoundBoard now uses AudioUnits instead of NSSound.
An SWF Importer is also available. You may import a Flash file and SoundBoard will extract all audio files contained in the flash movie.
Currently, all file types will be imported (flash can contain wav or mp3 files), but not all file types are playable. This will be fixed soon... Keyboard shortcuts and echo are also not working yet but in preparation :)