There is no proper PC suite software for android phones (with exeptions), and you don't need such software.
Turn on google sync in your account and set everything with it. So everything that you need, you can do by your browswer (almost).
Contacts and email (gmail).
SMS through SMS Backup+ and (there is on forum software to send messages from PC using android phone)
Ringtones (uploading) - normal USB connection in card mode
Whole backup (there are softwares in Market for it)
Galaxy Nexus with Jelly Bean 4.1.1 official OTA