Wii U for NES, SNES, N64, Gamecube, Wii, and Wii U games. The New 3DS for GB, GBC, GBA, DS and 3DS games. PS3 for PSX, PS2, and PS3 as well as PS3 PSN games. PS Vita for PSP and Vita games. As far as Sega and Xbox games, I would also stick to modding original hardware for those as well. Probably...