M-Beat gives additional flexibility to iTunes. You are in the drivers seat with the ultimate iTunes Companion Application, featuring one-click menu items, hot keys and floating windows. Best of all, its completely customizable.
Features:

• One click access to basic controls
• Hotkey Controls
• Artwork retrieval from Internet
• Playlist Access
• Scrolling song information in the menubar
• Volume Control
• iPod Syncing
• Song rating from the menubar
• Future song listing
• Floating window to display song information how and when you want it
• Non-intrusive customizable notifications
• Completely Skinnable
• Completely Customizable