I think Apple have taken a wrong turn with the new iTunes 11 update by removing some key features.  Most concerning for this this writer is the removal of the user generated iMix ecosystem.  I am asking iTunes to bring back the iMix and I encourage you to do the same at their feedback page http://www.apple.com/feedback/itunesapp.html

I believe honest word of mouth  is the best recommendation and the iMix ecosystem contains plenty.  There are over zealous self promoters and fanatical fans in there  too but at least the content its real opinion and generated by real people.  Which is far better that the beefed "Listeners Also Bought" box which just looks like machine generated advertising to me.

iTunes 10.7  this afternoon, shows the Top-Rated iMixes on a popular artists page

10 iMixes

iTunes 11 no iMix box and a bigger Listeners Also Bought box.

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The official response from apple...

"I am sorry to inform you that the following features are no longer available in iTunes 11:

1. iMixes

2. Gifting Custom Playlists

3. Alert me

4. Power Search

If you have any comments to be posted on this issue, please visit the following site and update your comments on the feedback page:

Apple recognizes that no one is better qualified to provide feedback about iTunes than the people who use it.

I encourage you to use the iTunes Feedback page to submit your comments:

http://www.apple.com/feedback/itunesapp.html

Your efforts to share your feedback are very much appreciated."

The iMix is a user generated recommendation tool that helps users find new music and the main channel  Tuneworks uses to promote indie artists.