Software development magazines are losing ground compared to blogs, wikis… See Eric Sink’s post:
For a while it was fashionable to predict that the Web would eliminate publishing, or at least that it would eliminate magazine publishing. Ten years later, most of these pubs are still around. But there is obviously some truth here. Today’s developer-focused magazines are looking very sickly indeed. The health of a magazine is very closely correlated with its page count.
I also like the straightforward articles on marketing: Marketing for Geeks