A pentaxian seeks sensible answers...
dpreview is trying to do the Nascar approach, making all racing conditions the same, but the sensors are from different manufacturers. That's where I believe you will find the difference.
I have enjoyed taking these images: http://www.pbase.com/jpower
Below, Phoenix City Hall with Nikkor 10.5mm on D200
|Child and seal by APenza|
from Kids world
|Calatrava in Reggio Emilia by NCV|
from Your City - Telelens in the City
|Aurora's, Science and the Milky Way by man4mopar|
from My Best Photo of the Week