I prefer a hairy back on a girl, that way when you're doin it doggy style you get the more of a "doggy" effect... :sheepfuck - of course if you're with max it's more of a "goaty" effect.
I don't mind a hairy guy if it suits him and has nice hair. Like soft and shit. That dude has a little to much. resting your head on a hairy tummy is like resting on one of those ikea fuzy pillows Its my happy place. :p