Wanted Ram Hemi Big Horn or Laramie or 5.3L Sierra or Silverado

In search of a 2-5 year old Big Horn or Laramie with Hemi. Rust free and remaining powertrain warranty would be nice. A Sierra or Silverado with a 5.3L would be of interest also. Will consider ecodiesel or half ton Duramax with proper maintenance records. Let me know what you have. Motivated buyer for the right vehicle.