Chiho, the pv10 is as described above, lush, warm, full-bodied on the bottom end which gives the system a pleasant musical presentation. I had one for years. More resolution will definitely come from an upgrade in the pre, however...more resolution may expose something else like your CDP? Not familiar with yours. What has worked very well for me is a smooth, warmer, digital frontend, very analog-like IMO driving more resolving components with reference wire. It has taken me a while to get the system to a level that for me is incredible but it's there. My philosophy right or wrong is this, I listen exclusively to redbook CD's. My player, Meridian 200/263 has always played this format at a very high level, since 1993, until the software improves I am happy getting the same excellent sound out of my hardware and improve things downstream.