I traded in my 2008 F250 6.4 for this a 2013 F250 6.7 last weekend. It has been fun to drive and the power is amazing. The 6.4 had good power but was a dog off the start, the 6.7 is much better off the start.
One question, the GPS can't keep up, when I drive for a few miles the location shown on the map is behind where I actually am and the further I drive the farther off it gets. I did change my tires from a 275/65 R18 to a 275/70 R18 but I had the dealer do their adjustment for the tire change and they said that would fix it, but it didn't.