Maybe you'll find this interesting...

http://www.mp3-tech.org/tests/gb/index.html

http://www.mp3-converter.com/bitrates.htm

Perhaps my old eardrums no longer perceive fine detail. The eyeballs certainly don't. Except for 'screen door' effect. Yuck.
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Outlaw 990; Carver TFM45 (mains); Carver TFM35 (surrounds); Carver TFM24 (bridged for center); Carver TFM15CB (rears); Acoustic Research AR9 mains; Polk CS400I center; Polk FX500I surrounds; Polk FX300I rears; Sony KDS-60A2000; Oppo DV-981HD; MX-850