I used to play the Japanese MMO Master of Epic for a short time. Since my main computer is using an English OS, I was unable to change my typing style in-game and could only communicate in romanji (although I could understand what they were saying and my romanji did make sense). Man, if only I could count the times I would immediately be kicked from a group whenever I spoke up! After awhile I stopped communicating outside of emoticons and Japanese netslang that used English characters, although I ended up quitting the game shortly afterwards.