Jamie
We've got a late 07 with the 6.7 like your looking at but in the Laramie, like someone else pointed out the check engine light was a plague for the 1st yr we had the truck, almost like clock work every 2K miles it came on, everything from O2 sensors, to turbo charger issues, etc. Dodge covered everything except the O2 sensor replacements, we just got another recall about 4 months ago to reset the computer and send them any bills we paid out of pocket since we owned the truck. (we bought it used also w/ 62K miles on it). We took it in got it reprogrammed per the recall, and going on 15K miles later not one check engine light and they sent us a check for the O2 sensor's we paid for a year ago. Other than the ck engine light issues at first that now seem to be solved, we absolutely love the truck, but it's also got all the bells and whistles right down to warming yer backside on a cold morning and auto dimming the interior rearview at night. It is definitely a workhorse and walks up hills pulling the Cyclone and never looks back, the exhaust brake is great. Fuel mileage empty runs 17 to 18 (depending on how close to the floor the skinny pedal goes), and towing we've gotten a low of 6.5 and a high of nearly 11 just depends on wind and terrain. Only thing we'll probably add is some type of air bag to level it a bit when hooked up (tired of getting the flashy light thing at night from oncoming traffic) and activate the SIRIUS radio, otherwise it's a great truck.