Duplicate
http://stackoverflow.com/questions/40346/coding-magazines
http://stackoverflow.com/questions/129249/which-magazines-would-you-recommend-for-good-quality-developer-tips-and-article
http://stackoverflow.com/questions/149260/whats-a-good-programming-magazine-to-subscribe-to
At my desk I usually have 2 or 3 magazines sitting around to look at when I take a break or want to refer to something. On my desk currently is 2600 Magazine, Linux Journal and Cooks Illustrated (cooking and programming are remarkably similar)
So what do you read?