I did buy Digital Photo for a year when I first went digital and some of the info was helpful but like many mags they tend to repeat their offerings about every 12 months or so.
 Now if I see a mag that may interest me I flip thru it and generally find it uninteresting.
And yes most are about 70% advertiements and even they get stupid when you look at something you may want and they still have this old fashioned idea about "call for latest price"
Get real you mag guys. 
Most of what I want now I either find free on line or with the help of you guys and girls in the forums