I've actually seen quite a few 800's in the wild in the last week, in fact I would say I've seen more people with 800's in the last week than all the other WP7s since it released.
Loading User Information from Channel 9
Something went wrong getting user information from Channel 9
Loading User Information from MSDN
Something went wrong getting user information from MSDN
Loading Visual Studio Achievements
Something went wrong getting the Visual Studio Achievements
I've actually seen quite a few 800's in the wild in the last week, in fact I would say I've seen more people with 800's in the last week than all the other WP7s since it released.