I would spend the bucks on a U-Haul or Penske car trailer.
Dollies have
no brakes and
no tongue weight to keep the rear axle from being pushed around.
http://www.uhaul.com/Reservations/EquipmentDetail.aspx?model=AT
You definitely need trailer brakes.
Anybody you know have a Dakota R/T?? 350lbs of torque ain't nuthin' to sneeze at.
