Adobe today released the first update for Lightroom, version 1.1
Get it here
All of the features of ACR 4.1 have been added to the develop module such as the clarity slider, enhanced noise reduction and sharpening, etc. There are also several new key features in the Library module that help better manange one's photos, even cross computer.
• Flexible image management for multi-computer workflows
• Improved Noise Reduction and Sharpening technology
• Compatibility with Microsoft® Windows® Vista™
• New camera support (Canon EOS 1D MkIII, Fuji S5 Pro, & Nikon D40x most notable. Click Here for list of supported file types.)
• View Readme PDF