Classic Video Games and Game Consoles Wanted

Looking for Classic console games and console:
Playstation 1/2
Nintendo Snes / Nes / N64 / Gamecube
Gameboy / Gameboy colour / Gameboy advance
Sega Master System / megadrive / Mege Cd / Saturn / Dreamcast

Will make sensible offer depending on what's offered
Keen collector and everything will considered

Thanks for taking the time to read my post

Playstation 2
Nintendo Snes / Nes / N64 / Gamecube
Sega Master System / megadrive / Mege Cd / Saturn / Dreamcast

i have above unboxed what you offer

original xbox with controller £10

how much for megadrive markee?

25 ?