The wait is over, the release to the Web (RTW) of Silverlight 2 was announced on Monday, and by the time you're reading this, you should be able to download Silverlight 2.0. If you're using earlier releases of the Silverlight plug-in now, you'll be automatically upgraded via Windows Update over the next couple weeks.
By the way, the RTW plug-in is not compatible with the the Beta 2 release. Laurence Moroney has a couple of great posts on his blog that should help ease the transition for both you and your users:
Here are some highlights of yesterday's announcement:
Looks like I have some work to do refreshing my slides and demos!