If anyone hasn't read the Logos blog for Monday, it's worth reading; quite a bit of detail.
When SBLGNT was released, the appartus was a bit of a curiousity; brave but curious. The update is going to be quite useful relative to NA28 etc.
EDIT: Didn't see Don's post regarding the blog. He has good questions.
http://community.logos.com/forums/t/72987.aspx