I found this on Gamefaqs.com's boards. I signed up for 2 years of Maxim, Stuff, and Blender since they were the easiest to sign up for. Use these at your risk because they will probably send you stuff from other companies, but who knows....
Gamepro:
http://www.gamespy.com/arcade/gamepro.shtml
Tips and Tricks
http://www.freebizmag.com/realonetipstrk01welcome.htm
PSM
http://freebies.about.com/gi/dynamic...m02welcome.htm
PS2 demo for Sphynx
http://www.thq.com/sphinx/
Maxim:
http://complimentarymagazines.com/cg...?setup=maxim24
Stuff:
http://complimentarymagazines.com/cg...gi?setup=stuff
Link for those who keep saying to theirselves, "This is too good to be true, they can't really be giving away magazine subscriptions."
http://freebies.about.com/cs/magazin...plimentary.htm
Blender (a music mag distributed by Maxim)
http://complimentarymagazines.com/cg...gi?setup=music
Tips and Tricks and PSM are a bitch to do because they ask a bunch of questions. I gave up on them because it was getting to be too much.