@BitFlipper: I would point out though that what is cool on WP with Xbox Live is that the games are integrated with Xbox Live, not that we have an app that connects to your profile. That (game integration) hasn't been brought to iOS with this app, just the ability to interact with your profile/messages. That is a pretty small piece of Xbox Live compared to the integration on WP7. One of the commenters on that post said it pretty clearly.
"They are not running XBOX Live Games, only the Hub. I understand the hesitation, but this is an extension of the profile and messaging aspects of XBOX Live, which only increases it's value as a communications platform. All good. You'll still be earning achievements on your WP7."