Nikon D4, 5800€/$6000 “multimedia camera” – a D3 with video capabilities.
http://imaging.nikon.com/lineup/dslr/d4/
http://www.dpreview.com/news/2012/01/06/NikonD4launched
http://www.dpreview.com/articles/7799914638/nikon-d4-overview/
http://www.robgalbraith.com/bins/multi_page.asp?cid=7-11673-12223
The new AF-S 85/1.8
http://imaging.nikon.com/lineup/lens/singlefocal/normal/af-s_nikkor85mmf_18g/index.htm
http://www.dpreview.com/news/2012/01/06/Nikon_Nikkor_AFS85mm
The new memory card type:
http://www.robgalbraith.com/bins/content_page.asp?cid=7-11673-12234
pH³ 
2012-01-08 (Sunday, week 01) at 21:30
http://www.robgalbraith.com/bins/multi_page.asp?cid=7-11673-12223
2012-01-13 (Friday, week 02) at 17:37
The new Battery,
10.8V/2000mAh EN-EL18 (D4) and
11.1V/2500mAh EN-EL4a (Old type):
http://www.robgalbraith.com/bins/content_page.asp?cid=7-11673-12259
2012-01-15 (Sunday, week 02) at 08:24
Earthbound Light, on the D4 in nature photographer’s view:
http://www.earthboundlight.com/phototips/nikon-d4-announcement-for-nature-photographers.html
2012-01-17 (Tuesday, week 03) at 18:20
Example videos:
http://nikonrumors.com/2012/01/06/sample-videos-made-with-the-nikon-d4.aspx/
2012-01-17 (Tuesday, week 03) at 18:25
Noise/ISO comparision:
http://home.comcast.net/~NikonD70/GeneralTopics/Sensors_&_Raw/FX_Read_Noise_Comparison.htm