Dedicated transport or CD player as transport?


My system is simple, Marantz 6006 as a transport to Denefrips Ares 2 DAC then on to a PrimaLuna integrated. I've been toying with the idea of a dedicated transport, but I'm not sure if there would be a SQ improvement worth the investment. The Marantz sounds pretty good by itself, but when I added the Ares 2, I like the sound better, its smoother/less digital/less bright. I've read some posts and reviews of dedicated transports, and some claim a noticeable improvement-better bass, more detail. The 2 transports I've been eyeing are these: Audiolab 6000CDT Dedicated CD Transport or the Cambridge CXC. Thanks for your input.
dtapo
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In my experience, the old Pioneer Elite series CD players with the stable platter can make a good transport as well. It bettered the CXC by a decent margin.