The A1200 is defined by its Advanced Graphics Architecture (AGA). A superior pack must highlight this:
The Amiga 1200 requires two 256K ROM chips (U6A and U6B) to form its 512K system firmware. amiga 1200 roms pack better
If you're looking for the definitive A1200 setup, these community-curated options are widely considered the gold standard: The A1200 is defined by its Advanced Graphics
: These sets provide "clean" ROMs (one version of every game with no hacks), ideal for WinUAE or FS-UAE emulators. Essential Firmware (Kickstart ROMs) amiga 1200 roms pack better
If you have legal access to the base ROMs (e.g., you own an Amiga 1200 or Amiga Forever), here is the "Power User" recipe to build a pack that is better than anything you can download pre-made.