All that matters is how the input lag is. If the lag is noticeable it's still best to buy them for genesis. Who did the sonic 1 port thats on xbla? That isn't very good.
oh yea, I remember someone on b8 complaining about that a good while ago and even posting videos
--
http://i38.photobucket.com/albums/e111/kamikazelettuce/BIGPUN9999.jpg