Here is some more testing the NIKON D7000. I put the camera on my GP mount. Not many words here: It is absolut phantastic.

This is a full frame with an insert showing the 1:1 image of M57 Ring Nebula.
Data: NIKON D7000 - ISO 1600 - f2.8 - 135mm MF NIKKOR
Date: 30 April 2011 - starting 2304 CEST
Combination of 5 images of 1 min exposures. Treated with ImagesPlus and Photoshop Elements 9.0

A single image of M13 Global Cluster. Size is reduced, but nothing else. As is out the camera. Some satellites are crossing the field. Although I was watching into the same direction, I did not see the visually.
Data: NIKON D7000 - ISO 1600 - f2.8 - 135mm MF NIKKOR
Date: 30 April 2011 - starting 2312 CEST
Single image. Treated Photoshop Elements 9.0

Here you see the aerea around M57 Galaxy.
Data: NIKON D7000 - ISO 1600 - f2.8 - 135mm MF NIKKOR
Date: 30 April 2011 - starting 2318 CEST
Combination of 5 images of 1 min and 30s exposures 3m30s cumulated. Treated with ImagesPlus and Photoshop Elements 9.0

NGC7000 North America Nebula in Cygnus. Colours are slightly enhanced and the size is reduced.
Data: NIKON D7000 - ISO 1600 - f2.8 - 135mm MF NIKKOR
Date: 30 April 2011 - starting 2324 CEST
Combination of 2 images of 1 min exposures. Treated with ImagesPlus and Photoshop Elements 9.0

Here is the Milky Way low abobe the horizon. It is a wide-angle take with only size reduction.
Data: NIKON D7000 - ISO 1600 - f3.5 - 18mm Zoom NIKKOR
Date: 30 April 2011 - starting 2333 CEST
Combination of 2 images of 1 min exposures. Treated with ImagesPlus and Photoshop Elements 9.0