Do I upgrade my cartridge or my turntable

I just bought a new preamp a rouge rp7 and a pro ject tube box DS3B  phono preamp. I also replaced the phono cable with a fully balanced set with xlr ends. My turn table is a 1989 linn basik with a akito 2 tone arm and a linn adikt cartridge. The old preamp was a linn pretec. The rest of my system is a Bryston 4 B power amp a pair of Dynaudio special forty speakers and a rel S510 sub woofer. My speeker wire is Naim audio solid copper coated with silver.all my interconnect cabels are solid braided silver. Now when I play vynal there is a vast improvement in sound now but I would like to get more seperation and be Abel to hear the different instruments better, when listening to classical and jazz.also get a bit deeper base my highs and mids are  great. When I listen to other styles of music on vynal  I am good with it. Now do I upgrade my cartridge at this point  or do I need to upgrade to a linn lp12 at this point I like linn turntabels .Thank you Michael.