Dreamcast Gdi Best -
The Quest for Perfection: Finding the Best Dreamcast GDI Sets for Preservation and Play
The Dreamcast GDI: A Look Back at the Best of Sega's Flagship Console
While GDI is technically superior for accuracy, other formats have specific use cases.
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Use DAT files with ClrMamePro or RomVault : dreamcast gdi best
Final recommendation
If you must burn to CD:
For emulation or ODE (GDEmu, TerraOnion MODE, USB-GDROM), the best GDI is one that: The Quest for Perfection: Finding the Best Dreamcast