Angel Linux can be downloaded at:
http://sf.net/projects/angellinux

This Linux distro has many emulators. It also has VLC player, Icecat web browser, Tixati bittorrent client, DVD styler, AVIdemux, Wine, Screensavers and more.

It can be booted from CD, DVD, USB, etc. so you don't have to install anything.

Emulators for: Nintendo (Famicom), Super Nintendo, Nintendo DS, Nintendo 64, Gameboy, Gameboy Advance, Gameboy Color, Game Gear, Sega Master System, Sega Genesis (Mega Drive), 32X, Sega Saturn, Turbo Grafx 16 (PC Engine), Neo Geo, Arcade, Atari, Apple, Amiga, Amstrad, Colecovision, Commodore 64, DOS, MSX, ZX Spectrum, ScummVm, and more..