Thoughts on moving from a 1200G to Sota Saphire or above


Two different animals, I know. I’ve read some pretty decent reviews on the Sota’s with the vacuum option and intrigued. We’re always looking for that little extra something, something. I’m interested in retrieving a bit more detail and upping the sound stage. 
Maybe this would be a lateral move? Maybe I should change my cart? Something else? Be happy and spin vinyl? Thanks for your feedback. 
Gear:
Technics 1200G
Ortofon Cadenza Black
Herron VTPH-2A phono preamp
Audible Illusions L2 Line Stage
Levinson 532-H
B&W 803 D2 speakers
AQ McKenzie interconnects for phono

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I’ve been looking at carts this evening. Looking to stay in the $3K + - range. Does anyone know the effective mass on the 1200 G arm? 
About 10-11g if I remember correct (you can change it a bit with different headshells), $3k is a lot for a cartridge, you can buy amazing cartridges within $3k budget (including some killer NOS), just don’t buy a low compliance carts for this tonearm! And don’t afraid to look for MM and MI (there are some decent carts under $1.5k)
Thank you for the tonearm info. I have a Cadenza Black on this table. I need to double check if it’s a good compliance match.