The Mobilread Mobipocket guide is stuck on 10/23 since 10/23, at least for me, whether I use whispernet to get it, or download it to my computer. The filename (today) is 11/06, but when I look at it in Mobi2mobi the name is 10/23, and all the updates stop at 10/23.
Since I get the same problem any way I get the guide, I think it's a problem with the guide. But then since I don't see any posts about it, maybe it's me (or no one else uses it but that's hard to imagine, since it's so great).
Of course, I can still get the books via USB, but I love using whispernet to check them out.
Edit: Addressed in announcements--