Couple Quick Things
First Adobe has posted updates for Camera Raw 5.1 and Lightroom 2.1. These updates include support for a number of new cameras and fixes a few minor bugs in Lightroom that were in the initial release of 2.0. Click here for the update.
Also, speaking of Camera Raw, there is a nice video over at LayersMagazine.com on using graduated filters in Camera Raw. It is in Photoshop CS4, but is just as relevant in CS3. Check it out.