As earlier anticipated, Dell Aero Android phone will not come with all the Google applications. The recent news coming in from AT&T clearly states that all the Google applications will be present in the device.
The Aero device page on AT&T confirms the applications existence. The Aero will include Market, Maps, Gmail, and search. Although, there’s no word on the search provider so there’s still a chance it will be swapped out for Yahoo Search.