Get the 750 with a case feeder. You'll be MUCH happier.
Also, there's NO reason to deprime off the press. Tumble the brass, lube it, dump it in the collator and load it.
You're not going to be able to tell the difference at the firing line. I've never cleaned a primer pocket on a pistol cartridge. Unless you're needed to get that last X ring shot to get your Distinguished Pistol badge it's not worth it. In fact, the three DP shooters I know don't even clean primer pockets.
https://www.dillonprecision.com/xl-750-reloader-package-9mm_8_134_26660.html
Start there, or get the mount and roller handle from Inline Fab. I much prefer the Ergo handles from Inline. But that package has everything but the tumbler. You'll also need a RCBS Lock-Out Die.
I've got a pair of 650 presses on the bench. One for 45 ACP and the other for 9mm. Really it's large and small primer
Since you plan on casting and coating your own bullets you should be able to pay for that 750 setup inside a year. You should be able to save $0.20 per round at current prices. That's only ~7500 rounds to pay for that setup.