MobileMe beta upgrades being offered via iCal

I just launched iCal (by accident!) and was greeted with the dialog box above, asking if I'd like to upgrade to the new MobileMe Calendar beta. Um. Okay. I went through the upgrade, which launched Safari and had me log into my MobileMe account, only to get a server error and a request to try again. Second time was the charm, though, and all my events were updated and I now have the shiny new -- clearly iPad-inspired -- MobileMe Calendar Beta at my beck and call.

For the MobileMe Mail Beta, I requested an invitation and received an email confirmation, so this was different. Anyone else getting "invited" into the MobileMe calendar beta this way?

More screenshots after the break.

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