A little bird tells me that the patch to upgrade Office 2007 beta 2 to Office 2007 beta 2 technical refresh, a near-final version that I'm using right now, will be available tomorrow. It's the last one you'll see before it's in stores. And, in my opinion, it's a very nice improvement over beta 2. For example, performance of PowerPoint 2007 has been upgraded from "granite slab" to "molasses." Not too many new features, but less crashing and more refinement all around. Anyone who's been using beta 2 should get it ASAP.
See the comments for a lame attempt to make the title of this post less stupid.