I’m pretty sure that the Affinity series come with Ceramic pick-ups, my white PJ certainly does…
They’re a bit of an acquired taste, being quite bright, but get the height right & they can sing.
I found the maple neck quite bulky but I swapped the neck out for a 70’sCV which is somewhere between a Jazz & a P-bass width, but lovely & slim in depth.
As others have suggested, get a good set-up done & see how you get on before shelling out on too many upgrades? Otherwise you might be better off saving for a better quality instrument in the long run…