Upgrade my CD player or futile effort?

I would appreciate you guys input. I listen to 90% vinyl  and 10% CDs due to a lot of new music I get into only comes out on CDs. My analog system sounds fantastic to my ears but unfortunately my digital falls short. My analog system consists of:
-VPI Classic 1 TT
-Lyra Kleos cart
-PS Audio Stellar phono preamp
-Prima Luna 100 preamp
-Parasound Halo A21+ amp
-PBN Montana XPS speakers
-Dual Rythmick
F-12 subs
My CD player is a Marantz CD6005 running through my analog system.
Compared to my vinyl, overall the sound from my CDs lacks the depth and definition in bass, comes short in the soundstage and overall space in presentation and does not have the
same clarity in treble.
If I rate my analog sound a 9, I would rate my digital CD a 7.
My question is, would I benefit from a better CD player, even so the CD6005 is no slouch, or am I gonna end up in a goose chase?
I realize my CDs may never sound as good as my vinyl, but I would try to improve it if you guys think it would be worth the effort. Are there really some outstanding CD players out there that can measure up to vinyl? Personal experiences only please, do not need sales pitches by equipment associations you may have never listened to. Also all my cabling and room setup is a 10 to me with the analog so I wouldn't change any of that for my CD player listening.  Thanks.

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If you spend an equal amount on your CD player to your vinyl rig you might find cd superior 
the Marantz/Ares combo may work great with CD being a small part of your listening, and if you move up, the Marantz is great for a second system, and you may be surprised what the Ares can do with a better transport...then after, the options become endless...
Done deal!
Ordered the R2R Denafrips Ares II
Couldn't have done it without you guys input.

Don't forget that you can still service your CD player.
(1) Clean the contacts with a contact cleaner.
(2) Check to see that it is level.
(3) Aftermarket Feet to assist with vibration control.
(4) Open up the unit and use dynamat - again for vibration control.  

Congrats on the Ares ll — I’m sure you’ll notice quite an improvement in transparency, soundstage, detail, etc. Just make sure you get a decent digital cable or it can undermine your performance. The Apogee Wyde Eye I recommended earlier is a solid choice, but there are others from Canare, etc. that are also very good — just make sure you get at least 1m length. Let us know what you think once the Denafrips has a few hours on it.