Adobe Lightroom Beta 2 Released

Adobe has released Lightroom Beta 2. The main changes since the first version are:

Now available as a Universal Binary for compatibility with Intel-based Apple hardware
Crop and Straighten tools included in the Develop module
Ability to add music to slideshows
White balance support for the Nikon D2X, D2Hs and D50 cameras
Ability to create hierarchical keyword sets
XMP Import and Export capabilities. (Please consult Known Issues list for details)
Improved Edit in Photoshop capabilities
Improved metadata handling

For more information check PhotoshopNews

Also have a look at the updated Lightroom Resources list