Google Adds Push Notifications to iPhone App
What's the point? You already offer free push via Exchange...
Releasing Google Goggles for iPhone
Releasing Latitude for iPhone (with iOS4 support)
Releasing Google Navigation for iPhone
Buying a phone with Android
Getting Rid of AT&T and their data caps
A Layer of Gunk
What I'd rather see is a Google-made app that gives me an alternate interface to my Google Apps account, especially Contacts & Calendar. They could store the contact and calendar data locally, or have it work real-time with your account -- getting around alternate UI's touching Apple's database...
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