The best kept secret for me is that some very unlikely speakers can inexplicably sound wonderful in a listening room through sheer synergy. For example, the last time I had this reinforced to me was when some Chario Academy 1 speakers came my way at very low cost. They ended up being the best speaker I have heard in one of my systems. Apart from the fact they required me to get some good stands and change cabling to suit their particular coloration, they have trounced speakers costing several times their worth. But when I put them in my other systems, they sound pretty ordinary - which I reckon they are. But in that particular room....