Finally getting my copy of Hanabi tonight - excited! And a pox on Milsims, who couldnt get a copy to me inside of 10 weeks....luckily my board gaming group organised a group buy from Amazon Germany (the organiser liked the German artwork better, and its not like its language dependant).
I've seen people play this game very seriously - like gamers after a high score, which is maybe more serious than I like to take it. But I think it will be a fun game to play with casual friends/gamers. Certainly a different angle to most card games.