The splog list update is long overdue. The splog count is way down and that's a good thing. As you can see Google is indeed deleting lots of splogs.
Splog List - 2007 / 07 / 02 - 20070702.tar.gz
I'll be ramping up data collection as well as more analysis. There are couple identification method theories I haven't explored yet and I'll be busy writing some code to test them out. We'll see what comes out of that.