Why not just use the iTunes Dock Menu / Control Strip Menu?
If that's good enough for you, then by all means continue to use it. iTTool isn't for everyone, and a large number of people find it to be a waste of bandwidth, but a select group love the single click more...
- Added a menu button for quickly changing the song rating in iTunes 3, this new button is disabled in OS9 (iTunes 3 is OS X only)
- Added an about window