Oh and I couldn't stand how much the mirrors shook on the 4500/5500 drove me up the damn wall. but on the upside with the 6.6 and the Allison auto she had ZERO problems keeping up with traffic.
Granted the one I spent 5,000 miles in was a VERY high end trailer hauler, leather air ride seats with ostrich inserts, air ride cab conversion and air ride rear suspension, dvd navigation wood inserts everywhere it was a VERY Nice unit.
You can actually see pictures of it here
http://www.westernhauler.com/ under GM trucks half way down the page its the white one with the red bowtie in the grille and the tan and cream interior.
For the money talking brand new trucks i like the dodge 4500/5500 over the GM and ford offerings and i was a DIE HARD blue oval fan for ever.
But for a couple of bucks more the international 4300 is much more truck for the money. Optioned with the 330 HP DT570 and the allison 3000 series 6 speed, exhaust brake, TRUE big truck S cam air brakes and factory air ride just more truck for your buck.