The CDM Hotshot was from 2000-2005 the piston tube was part of the gun 2 temp choices & could melt up to 11ml material & had trouble doing nesbits.
The CDM Elite has 3 fill tubes that are removable from the gun (no cross contamination between clear, duraflex & acetal),programmable temperatures for different materials, can use up to 15ml material, had a more stable stand
They have the same case, same electric cord,same fill funnel, same sprue former, same putty used, similar instructions the elite comes with a DVD.