My biggest disappointment with iPhone 3.0 is there's still no push Gmail. (Probably due some to contractual BS, but whatever.) GPush is a 99-cent app that almost fixes it by sending you push notifications whenever you get a new message.

It's dead simple—you enter your Gmail account information and that's it. On the backend, it's actually using Gmail's standard IMAP idle function (but on the developer Tiverias' servers), so there's a slight delay between the mail hitting your inbox and the notification getting pushed from them to your phone. But the 10-30 seconds lag MG Seigler reports is totally ...

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