Other Links
ultimateSLR

Reviews
About
Bob Atkins
CameraHobby.com (includes comparison with D100)
CNet
DCViews
Digital Camera Resource Page
Digital Camera HQ (a number of brief user reviews)
DigitalCameraInfo.com
Digital Outback Photo (interesting lens comparisons)
Digital Photography Blog
Digital Photography Review (very comprehensive, includes comparison with the D70 and the D70s)
DigitalReview.ca (a number of 2Mb+ pictures)
Ephotozine
Good Gear Guide
Thom Hogan
Imaging Resource
Let's Go Digital
MacWorld
Megapixel.net
ModSynergy.com
New York Times
Nikonians
PC Magazine
Photo Camera Magazine
PhotographyBLOG
PhotographyReview.com (user and pro reviews)
Pocket-lint
PopPhoto.com
Ken Rockwell (includes comparisons with the D70 and D70s)
Shutterbug
Steve's Digicams
Trusted Reviews

Descriptive
Wikipedia
Comparison Chart (D1, D1H, D1X, D100, D200, D70, D70s, D50, D2H, D2Hs, D2X, D2Xs)

Galleries
Pbase Over 120,000 D50 pictures
Flickr 29,000 D50 pictures

From the Manufacturer
Nikon Canada
Nikon Europe
Nikon UK (press release)
Nikon USA
US TV Commercial
Comparison Chart (D2XS, D2HS, D200, D70s, D50)
Nikon Digital
D50 Tutorial 
Nikon Imaging

Discussion Forums
Imaging Resource
Nikonians

UK Retailers
Amazon.co.uk
Jessops
Kelkoo (price comparison)
Pixmania
Pricerunner (price comparison)

US Retailers
Amazon.com
Shopping.com (price comparison)

Awards
Technical Image Press Association 2006 - Best D-SLR Entry Level