Piano Wizard
Screenshots captured from demo videos at website (thus the poorer quality)
Pianow Wizard 1
Piano Wizard 2
Step 1: Game associates song notes  and piano keys with colors
Piano Wizard 3
Step 2: On-screen keyboard is now Verticle, showing student that music notes on the staff are directly related to the piano keys
Piano Wizard 4
Step 3: Musical Eggs now change to Colored Notes
Piano Wizard 5
Step 4: The colored notes are now seen as traditional black notes, completing the transition to recognizing notes with piano keys!
Piano Wizard 6
Step 5: Advanced lessons on DVD. There are no video demos of the DVD instruction available at the Piano Wizard website (at least as of Oct 2009), so I can't comment on content.