Best emulators for the gameshell

What’s the best emulators on the gameshell for each format

PS1 = PCSX Rearmed
Atari Lynx = mednafen_lynx_libretro core
GB advanced = gpsp_libretro core
GB & GBC = gambatte_libretro core
GameGear = Genesis_plus_gx_libretro core
Mame = Mame2003_plus_libretro core
NES = nestopia_libretro core
NeoGeo Pocket = mednafen_ngp_libretro core
Genesis = picodrive_libretro_gameshell core
SNES = snes9x2005_plus_libretro core

These are what I’m using so far, no doubt I’ve missed some. Any I’ve missed or using better cores.