As was posted look at the Diesel, H3 or as you said the Mamba and Hero's.
The Mamba might be a little looser in the tail than the others.
What was it you didn't like about the Hoss?
As a long time Dagger paddler I liked the Mamba for its fit but I liked the paddling of the Hoss, It might switch me to Liquid Logic.
Over all the fit is the most important factor.