If you have been wringing your hands and pacing the floor until late into the night waiting for the Lightroom update, your fretting and worrying is over.
Adobe has released Lightroom 2.1.
You can get the Windows update here, and the MAC update here.
If you are one of the folks (like me) who installed the 2.1 release candidate I would suggest uninstalling it first as Adobe did not included an auto uninstall as part of this update.
To stay on top of Adobes Lightroom updates and news releases you should keep an eye (bookmark) "Lightroom Journal".