Perfect Dark Beta:  
Carrington Villa
 

This isn't a very big section, mainly because there aren't any beta pictures for this level that show anything that important.  So we can't develop any theories about this level.  But there are some things of interest in Carrington Villa.

Ok, I'll get the most important actual beta screen shot out of the way first.  All that is different here, is that the guards in the beginning don't have sniper rifles any more, they have CMP150's.

You can see, in the second picture, that the guards now have CMP150s instead of sniper rifles.  But that is not all, the large glass windows in the beta picture have been replaced by a door and two smaller windows. 

I think the sniper rifles were taken away from the beginning to make things a little more difficult, the only place that you can get a sniper rifle now is from the dead Carrington Institute guy in the shower.  This makes it more of a challenge to run inside, get the gun, then come back out to eliminate the rooftop snipers.
 
 
 

After playing the level a few times, you will notice this thing.  The walls are meant to protect the Villa from waves.  But I don't know what that big  metal thing is.  Maybe a lighthouse.  There is even a sniper out there.  That sort of tells you that this area was once of importance.  Maybe. you drove a boat into the Villa, and docked right at the dock where you start out in Perfect Agent difficulty. When they changed the level around for the different difficulties, they couldn't have Joanna come in on a boat, so they put in the airship thing.  Just something to think about.  Look at how detailed that lighthouse thing is.  You can't even see the bolts and vents on the thing unless you go in all the way with the sniper rifle.  That helps to prove that you originally had to go past there.  Whatever it was, it does absolutely nothing now.
This is even more suspicious!  Using a moon jump Gameshark code, I floated out to the little lighthouse.  So my utter amazement, I landed on this little narrow walkway thing- and stayed!  That means that it is a solid structure!  Meaning that is it probable that at one time, you walked on it!
 
 
 
 
 
 

Here's something that you won't notice right away.  You won't notice it until you earn the all guns cheat, in fact, and take a K7 Avenger in the Carrington Villa, and turn on its secondary mode, Threat Detector.  Then, the Threat Detector will target the windmill.  Why?  Because the windmill hides an auto gun inside of it.  Once the windmill is activated, it will open fire on the snipers, eliminating them all.  So you really don't have to do anything to complete the "Eliminate rooftop snipers" objective.  But why?  Why would they make the windmill a drone gun?  Who knows.  I can't even think up a crazy theory for this one.

Here is something that has had my curiosity since the first time I played the level, on Agent.  It's an observatory.  It fits in, this is Carrington's private villa, so maybe he likes observatories.  But the strange part is the amount of detail in the thing. For a while, I didn't even know that you could go into the thing.  I always went around the right side of it, while the entrance was on the left side.  But, once i got in, I was amazed!  Look at how detailed this building is!  It seems like a total waste considering that there isn't an objective to complete in here. I think that there was originally an objective in this building in Perfect Agent.  It wouldn't make sense to have it on Agent or Secret Agent, you start out right next to the building.  It would be too easy.  But what could the objective have been?  Objective 4:  Go stargazing? 1 

Using the moon jump Gameshark code, I also made another discovery.  The roof is solid also.  Maybe you were once meant to walk on it.  Maybe it is just solid because of the snipers on it.  It is a little glitchy, like when the roofs aren't even, you fall through it into the villa.  But it is still pretty neat, to be walking around on top of the roof.