I had a system that was too aggressive and harsh in the midrange. Putting in Cardas neutral reference cables did the trick for me. It really took the aggressiveness out of the mids. I no longer have that system, and am currently selling the cables here on the 'gon. It's not exactly a "cheap" fix - still costs a bit over $500.
If you have audio friends, I would suggest that you try substituting in pieces of their equipment to check out various links on the chain.
If you have audio friends, I would suggest that you try substituting in pieces of their equipment to check out various links on the chain.