I have been using a McIntosh MX135 with 2 Mc amps and have been happy but considering looking (er listening) to Ayre or BAT amps in the system. Just haven't taken the time to drag one home yet. To answer your question. I think it is a good idea to start with the same but change out amps and pre/pro's as equipment evolves. It's a nasty afflicion this audiophilia. IMHO of course