MonkeyChops, here are some links to videos on youtube, that what you after?
Dreamcast Emu [NullDC emulator]
http://www.youtube.com/watch?v=vXJ0WtWGRLE
Linux PSX Emu [michael showing the emu, off craigx channel]
http://www.youtube.com/watch?v=fkbFdJG5xuY
MAME
http://www.youtube.com/watch?v=TRcCz7RWid4
N64 [Mupen64plus]
http://www.youtube.com/watch?v=DgP6PEhH4uQ
SNES [PandaSNES]
http://www.youtube.com/watch?v=FFuAZch2aqA
AMIGA
http://www.youtube.com/watch?v=KwuI6_zCjxY
I hope these are all correct, I cant view youtube clips here so typing out the url from my favs