Analog GURUs out there....what cartridge do I need

Need some advise on cartridges.
What should I get? Budget would be based on the used market and maximum would be ~ $750. MM or MC?
I love resolution and GAIN!!!!! I have a good system backing up this Analog front end. Thanks

Details:
Table:GYRO Spider edition
Arm: SME310
Phono Preamp: Allnic H-1200
Frequency (R.I.A.A) : 20Hz - 20KHz(±0.3db)
Voltage Gain : +36db (1 KHz) MM
+64db (1 KHz) MC

Input Impedance : MC upto 52Ω
MM 47kΩ

Maximum Input Voltage (MM, non-clipping) :
20Hz / 30mV
100Hz / 60mV
1KHz / 300mV
10KHz / 500mV

Appreciate all inputs and please stay within the topic, I need some answers to be honest. Thank you kindly.