Face recognition in Lightroom 2

Frustrated about having Faces in iPhoto and not in Lightroom? Frustrated that it's then in Aperture, but not Lightroom 3 beta 1 and 2? Frustrated about not hearing about it being a priority in Lightroom at all? And still addicted to Lightroom? Yupp, me too. But this night, for reasons not related to this post, I thought, hey, perhaps Picasa can help out? What I found is too good to be true, so it's probably going to have all kinds of weird side-effects. But for now it seems to be great! You see, Picasa doesn't move the files out of place, and it works with XMP (which Aperture does not, even though it claims to). And of course, I save all changes in an XMP sidecar. This great article simply states that all face detection will be written back as metadata in the file, and even updated into the XMP, so that I can just read it back into Lightroom! That sounds fantastic! So right now I'm scanning my entire library and look forward to a lot of tagging!