This stay-open applet watches your playing tracks and when an un-rated track starts playing displays a window with a demand it be rated.
While you could easily rate the current track from the iTunes icon in the Dock, this script interrupts you and compels you to do so.
OS X 10.6 or better only. Previous universal version available at the link below in the "Info" section.
This window will pop up when a new song begins playing.
Perform search-and-replace on text in your choice of tags
Open selected videos in QuickTime Player
Open the single selected track in in QTP7 and open QT's A/V Control window
Get URL track's address and send to browser or clipboard
Droplet converts movies to H.264 and adds to iTunes
Convert .mov track to .m4v track with QuickTime, optionally add to iPod