In some ways the bundleware served like a SMART warning, causing people to back up and migrate their projects.
I found myself in the odd position of hoping SF would come back up so I could finish what I was doing, when I'd normally welcome the news that they had shut down.
Lots of google searching for what's wrong with Sourceforge revealed nothing (other than complaints about their packaged installers/crapware). Now I have the answer to the question I was really asking.
I just need to wait and see if the developers of the packages I need will somehow migrate to github so I can get the source...
What's happened to the mailing list archives for all these projects, are they just down the toilet now? And of course the source, this is bloody terrible !