I had a QC '05 and it seats 6, you can tow and I got average 14mpg. I loved the truck. I wish I still had it but I get bored easy and I sell things without thinking.
The problem I had was I wanted an '06 to get CANbus for all the cool radios and the '06 was bucket front seats. I have 4 kids so I needed that extra seat in the front. The '05 was the only option for me. I'll end up with another Viper but it'll be the car instead.