so, in yesterday's post I left a link for you guys play yo!noid online... and then I went and searched a little more for cool things like that, and came back with more interesting links:
NES emulators online:
http://nintendo8.com/ (the one I talked about yesterday)
http://www.virtualnes.com/ (this one let you change button configuration :D)
http://www.playnes.net/ (big screen)
http://www.nesplay.com/ (another nice one)
Master System emulator online:
Snes emulator online:
the only thing you need is the Java plug-in, that your browser will ask you to click and install. very easy, really.
and if you have more reccomendatiosn, post on comments, and i'll be happy to edit the post and add it, with credits ;)
so, have fun!