Dirt Wheels, Quad, I like those two mags the best.

 

Quad has sweet fold out posters [img]i/expressions/face-icon-small-wink.gif[/img]

 

From their myspace lol. "We have huge, amazing photos, lots of how-to articles so you can get your quad in tip-top shape, and let's not forget the posters (one side is a great quad action shot, and the other is a model in a bikini with a quad...or so we've been told....we've never actually seen a quad in any of those shots, but apparently they're there)"

 

ATV Sport and dirt wheels. but lately its been sand magazine