i've searched around and asked question here previously about this cab. i decided to get one of the newer versions of this cab as i got it a reduced cost. it is a nice sounding cab but it can get farty below low E when pushed a little. i'm using a peavey classic 50/50 poweramp to run it. i know that the consensus from the megathreads seemed to be: drop in a neo 15" replacement, but i don't want to fork out $300+ for one of those. can anyone comment on: delta pro 15a, legend CB158, kappa pro15a or delta 15a as to which might be the best replacement? i plan on increasing/adding polyester batting in the cab as need and a brace or two as well if needed. a fEarful or avatar 153 isn't in the cards for me now but i have considered those for the future. adding one of the above woofers will still keep me well below the costs on these other two. thanks in advance.