The changes that came along with the latest update to the Gmail app are pretty substantial. Google seems to have listened to the users, and gave us the two things we've been
whining asking about the most -- decent priority inbox support, and sending from another address. And they managed to pull it off without slowing down the app, which is pretty damn important if you ask me.
The one drawback? This is only available for Android 2.2 or higher. We're seeing a lot of that, and we're bound to see more as Google updates its core applications to their 2.3 versions. That's called progress, folks. You can't stop it. Hit the jump, and see it in action.