AFAIK, I am using the latest version of Spry. I am using DW CS5. Unless CSS Sculptor is packed with its own files, I am using the latest version of Spry.
NNTP is far more efficient as anyone who has used them knows. It's only those who can't get the hang of NNTP that insist it isn't as good. It's older technology but it's a lot faster than any web interface out there .. and on a forum, that is the point.