Having spent an 18 month period living with cm7s I would have to disagree with the cyrus recommendation. The cm7s are fantastic speakers, but definately need very careful matching with the electronics. The bass is not quite as prominent as the 600 series IMO. But the top end is very detailed and can be too bright if not matched with warm electronics. I would recommend NAD for a budget amp or Naim if you can spend more. These would work nicely.