I have the C2700 with the MC462, and before that had a C2800 for awhile but it had a phono stage inop and I returned it. But the two sound very similar with the 462. My take is that the C2800 is slightly more refined, a tad (very small) bit less warm than the C2700. Prior to these I had a C49 digital. Both the tube preamps with the 462 are more warm and have more punch in the bass, without sacrificing clarity. The 462 has oodles of power, the combo is dead quiet, love it and won't be needing anything more.
My take is it's a GREAT combo. The DA2 DAC is far better than the DA1, and better than most others I've tried. I have tried all hookups to the DA2 and for me the cleanest sound comes from using an optical cable for digital.
Best of luck!

