Looking To Upgrade to a new CD Transport

I currently own a Cary 306/200 cd player which I have had for 15 years.  For the last 5 years have been using the Cary as a transport only with a stand alone DAC, which were the Chord Qutest and then the Weiss 204.  The retail cost of the Cary CD player was about $5000.00. It is a well built machine.  My question is have the transports been improved over the last 15 years.  I stream often, but I still listen to cd's.  Would purchasing a new transport improve my sound. My maximum budget is $5000.00 new only.  Is a move that I am contemplating, a move sideways or would a new transport make a discernable difference in sound improvement.  Thank you.