I have read a lot on horns and I am running a fully active setup now... I dont have a fully adjustable EQ so that is something that I knew I needed...
I was toying with the idea and I simply dont have room by my dash, unless I decide to glass a spot in the corners of my dash... and I am not sure I am going to do that...
as far as mids are concerned, I have the xxx6.5's right now, and if I got the horns in and needed more mid-bass I would consider getting another set of them...
all in all .... I just wanted to find out what everyone thought about the horns on the rear deck.... that would probably be my rear fill if I did it... but I guess not