To the right, a button lets you open the book (you can also accomplish this by simply clicking on the book, naturally), view more info on the title, delete it from your shelf or find similar books -- yet another spot for some e-book upselling.
Subscribers will particularly benefit from the new Zune Card sharing, which lets you automatically score copies of your pals' favorite songs, artists and recent plays -- non-subscribers can view that Zune Card info, but will have to buy the tracks if they want to have a listen.
Using Harman Kardon's minimalist, curvy new iPod dock, the Bridge, listeners can control their 3G and newer 'Pods from the HK remote and actually view menu items and track info on either their TV screen or the receiver's display.