Anything, magazine, catalogs, pamphlets, religious publications, newspapers...
National Geographic since 2003 (even before, but subscription and regular newsstand buying since that year), Men's Health (around 2005), Runner's World, Maxim (2003...I miss it when the magazine was still fat!), Time Magazine, NY Times (paper subscription for a year, nowadays online). GQ/Details, GameInformer, Weider's Muscle and Fitness, Muscle Magazine International
Once in a while: Scientific American, Reader's Digest, Newsweek
Laying around I will pickup: Women's Health (lol), gossip magazines, National Inquirer