I personally like to be near the turns, but not necessarily at them. I find that if I'm in the middle, I always try and gauge who's going to fall to me or be available still, with questions like "Do I think I can wait one more round on this guy?" so that I try and squeeze some extra value out of my picks.
Drafting near the turn, it's either relatively easy to predict (for instance at 10, if you see 11/12 both have QBs, you can wait til they pick to get yours probably) or it forces you to grab the guys you want when they are there because it's another 20+ picks until you're up.
I'm in a 14 team league - I'm trying for pick 4/5/6, because I'll be able to get either one of those big 3 RBs, Rodgers, Brady, or Calvin. Look at how many players you find relatively interchangeable wit your first pick and try to get the last possible pick to guarantee yourself one of them - make sense? If you want one of the big 3, ideal pick is 3rd. If you only want one of Foster or Rice, ideal pick is 2nd...
So, personally, I will be trying for pick #4 to grab one of the QBs, or Calvin, and stay pretty close to the turn. That way I force myself not to try and get extra value at the risk of passing on guys I really want on my team.