Haha, yes, 'Exposure' and 'Acurus', seem like apt names for these amps.
So your bro likes it loud, huh? Me too, much more so than my neighbors do.

BTW, I have a Marantz CD/SACD/DVD player coming (got it on ebay cheap). As of now, I've only heard 16 bit/ 44.1Khz source material, interested to hear how high res changes things.