I had written to them to let them know about some very annoying formatting issues (there never is an extra break between paragraphs when the story jumps to another location or time. It's not always noticeable, but some stories become very difficult to read because of that). I received no answer, so I tried once more, but still nothing.
My understanding is that Analog is a very small operation, and it is very possible they don't have the personnel or the know-how to deal with this. And they can also be like the editor of F&SF, completely out of touch with the ebook world...
Anyways, if anyone from Analog or Asimov's reads this: I would buy from you directly, if you only gave me the chance!!!