– A customizable “Sidebar” interface for easier results viewing (in other words, Google floating on top of Windows, all the time. Gates is really happy about this…)
– Email (Outlook) integration and offline Gmail searching
– More API support
– Better encryption
– “QuickFind” which sounds a lot like a UI hack on top of Windows to make it easier to launch applications.
What does this sound like to me? Sounds like Google acting like a software developer, strengthening a product in anticipation of it becoming a standard interface to your data. But that’s just me.