What important systems should I add to LaunchBox?

[Hunter_ARG]

I downloaded a torrent with 66 systems, but I want to leave the most essential or most important to improve navigation and save space. What are the 30 systems that should have? (excluding ps2, gamecube, saturn, dreamcast, which I do not want to include at the moment)

[Kondorito]

Hey Hunter, in my case childhood plays an important role. I have these ones and I dont think I will be adding more for now:

Arcade, GB, GBC, GBA, FAMICOM, FAMICOM DS, NES, SNES, N64, GAME GEAR, MASTER SYSTEM, GENESIS, SEGA CD, 32X, PS1, TURBOGRAFX-16, ROM HACKS. 

[roy1975]

Essential 30 systems, not counting the ones you named? 

(1) Arcade, (2) Atari 2600, (3) Intellivision, (4) NES, (5) SNES, (6) Genesis/Mega Drive (plus 32X and Sega CD), (7) Playstation, (8) Atari 800, (9) Commodore 64, (10) Amiga, (11) MS-DOS, (12) Turbografx-16/PC Engine (plus CD), (13) NeoGeo, (14) Sega Master System, (15) N64, (16) Gameboy, (17) Gameboy Color, (18) Gameboy Advance, (19) Game Gear, (20) Atari Lynx, (21) MSX, (22) ColecoVision, (23) Atari 7800, (24) Apple II, (25) Odyssey 2, (26) BBC Micro, (27) Vectrex, (28) Sega SG-1000, (29) Sharp X68000, (30) PC-88/98

I guess it would be a slightly different/shorter list if count stuff like 32X and CD expansions as separate platforms, which might be a good idea. I was kind of cheating, there  I would have listed the Atari Jaguar but I don't consider its emulation reliable enough. To my mind, though, this gives a pretty well-rounded perspective on video games and covers all the biggest platforms and many of the interesting also-rans.