Macworld Senior Contributor Kirk McElhearn has several excellent tips for iOS owners looking to sync their large iTunes library with their iPad, iPhone or iPod. Their libraries are so big that they exceed the capacity of their devices, which forces them to pick and choose what items they want to sync.
McElhearn walks users through two methods for syncing an oversized library. Each method lets you control which tracks are synced and which ones are not. The most efficient method allows users to sync playlists, individual artists, specific genres and even selected albums with their iOS device. You can read about the two methods in the article on Macworld's website.