So all smart phones are now able to retrieve gmail via push (Android and Blackberries already could)
Google blog news article
http://googlemobile.blogspot.com/2009/09/google-sync-now-with-push-gmail-support.html
I am still going to use the gmail web app for actually managing email on the iPhone purely because of the labels, which is one area the Android G1 excels at!
Great work Google