diffuser or absorption panels, which would you choose?

@soix 

I first saw them used at T.H.E. SHOW at CES maybe 10 years ago.  There is a very prominent high end electronics manufacturer that uses them in his listening room to help control reflections and give him a more accurate reference system.  My room has a lot more problems than his room, so I have a lot more deadening needed.  And that requires MORE artificial Ficus trees scattered around the room perimeter.

I think the effect is more about the number / density of the leaves more than natural vs. artificial.  

I use combination panels and have great success.  

I made an error in describing the artificial Ficus trees I'm using.  They are 6 feet tall, not the 5 foot models.