This is a bit of a 50/50 poll. Im not sure exactly what you want us to decide on.
In terms of which of these cars is the best ? It's got to be the new S-class, simply because it is the newest of them all. We all know that new cars 'should' be better than older ones, so that's the assumption i'm going as I haven't driven or got a ride in any of these cars besides the pre-facelift 7er.
But, looking at the poll from the other point of view, which one would I prefer? It would have to be the 7er.
The A8 is a great looking car, although the rear is starting to get a little boring now, but overall, from what i've read about it's build quality and driving ability, it seems like a very competent vehicle.
The new S ?, well, as i said, i'm assuming it's the best out of the car, especially in gadgetry and so forth, but the styling of the car is not to my liking besides the front. Not a fan of the rear at all, and very disappointed at how the interior mirrors the 7er so much. Ofcourse in terms of luxury, comfort, driving ability the S would also be very accomplished no doubt.
..and finally onto the 7er. It's sheer size is a winner for starters. It's kind of weird though, coz I really like the previous 7er's long, sleek look, but the instant i saw pictures of the E65 7er and it's big size, i was just like "wow...now that is a real eyecatcher!"...and things still haven't changed for me.
Sat in the car many times, played with the I-drive a few times (had no issues with it), and had a couple of rides in it too, and it really is something. But as i said, i havent had a ride in the A8 or S, so can't compare in those terms.
But yeh, in personal preference (say if I won the lottery or something), then I would take the 7er. Facelifted version is just like WOW...!!!! Especially at night time when you see those neon brake lights turn on...!! U feel like bowing down..but then U remember that u still gotta drive your car.