Hello guys,
First off, happy new year to all!
Nice thread. Detlef, if you allow me, I will throw my answer later as I want to hear what other said without interruption from my end. The more opinion the better. Anyhow, in the future should my personal opinion is what you after (I know you want to hear what other said in this thread), you know I'm just an email away

And thank you for the kind word Detlef, but I will say my knowledge is insufficient (I'm often lost)

, and that's why I'm here to study because I know I can learn from far more experienced members or simply drooling over fine acquisition like what you usually post.
My answer will be quite simple and merely based on personal observation. But sorry I'm afraid I cannot academically confirm like be very very very sure of, just the reason and some opinions
All the best in 2011!