You don't have to worry about tracking multiple calendars, contacts and messaging applications -- Synergy seems to think ahead to bring you a more comprehensive and truly representative view of your life.
Similarly, you can now link contact cards in the address book, so you can finally go through and organize duplicate contacts with multiple listings easily.
New email enhancements allows you to view HTML messages, add multiple email addresses to your contacts, and easily search your messages using the new search feature.