Apple iTunes 9.1 download is now live offering iPad syncing with ability to download iBooks, the latest update also allows users to rename, rearrange, or remove Genius Mixes.
However, if you are using a tethered Blackra1n jailbroken iPhone 3.1.2 you will experience syncing issues with iTunes 9.1 but no worries as we now have a fix from iH8sn0w dubbed blackbreeze.