Here's a good read on 1/2 tons. I'm looking at the F150's right now. With the ecoboost and max trailer tow, it's rated to tow 11,200 lbs. The 2014 Ram 1500 ecodiesel is intriguing, but it's a 2014 so you have to pay a premium right now for it. You can get 2013's for a decent price right now.
http://special-reports.pickuptrucks....challenge.html