To those who patiently waited, Lightroom 2.3 is now available for download from Adobe.com. Also available is the latest Camera Raw 5.3.
Lightroom 2.3 includes support for the Nikon D3x. More release notes are available at Lightroom Journal.
To download Lightroom 2.3 and Camera Raw, follow the links below:
Also, a couple of nice Lightroom Presets: