Hi there... I have a Beosystem 3, likely Mark 1. I think it's from like 2003 to 2005 (can't remember when it was purchased). My question is... what are the advantages to using the Beosystem when compared with a modern higher end receiver (in say the $2,000 range)? I have all B&O Speakers in my setup. Four 6000s, one Beolab 2 sub, and smaller