Owned the colorado XLR's as well...very clear, harmonicaly complete but a bit hard sounding. The MIT's will give you everything the Colorado's offer, but add better texture, fullnss, dynamic swing and 3D palpability as "you are there in the same room" feeling. just got an NRG-10 PC new from a dealer in CA for 50% off (negotiate price). Call Joe Abrams at equus audio for free information and assistance as well as best deals on available options. He's been my go to cable guy for over 10 years. My last big system was Maggie 3.6's, Krell FBI, Sony Modwright 5400 and MIT Magnum M3.3 cabling wt MIT AC2 PC's.