The idea of a DRM-free iTunes is definitely a popular one that has been requested for years. The unfortunate side-effect, as imposed by the record labels, is that more popular songs are going to be charged a premium over the tried-and-true $0.99US price point. On the other side, however, is the $0.69US price point for songs that
In my opinion, record labels are going to see a decrease in sales due to this decision. Many people have iTunes account balances and gift cards that are now going to get them less "tune for their buck." The result of that is consumers will buy less (they have less to spend) and they will be more meticulous in deciding what to purchase. DRM-free, iTunes Plus tracks are a novel idea, but the main benefit will be lost on many consumers. The only change they will notice is that the bill has gone up.