Cartridges I've had/have:

223
22-250
243
250-3000
257 RBTS
270
270 WSM
7-08
7x57
280
300 SAV
308 Win
30-06
300 WSM
338-06
338 WM
35 REM
358 WIN
350 RM
375 H&H

Only cartridge I want to try/never had:

6.5 Creedmoor

I'm pretty clear on what I like/want. Low recoil is high on the list.

“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery