Recommendation for CAL DX-1 replacement

I have a CAL DX-1 that has been in use for 15+ years and I am looking to replace it before it wears out. What would be a good replacement for the CAL? Also, would an outboard DAC be a smart purchase? Thanks for any input!
I still have my first CDP which was bought for me in the 80's. Replaced the belt, works as good (or bad) as new. I'm very pleased w/my other CD players, a Rotel RCD-971 and NAD 521i. Based on my experiences, I'd look for an NAD 541i or a Rotel. If you like your CAL, sure....Buy a used DAC and see how things sound. Worst case, you could use on another CDP or resell. Bill.