Pianeta Amiga is an Amiga show in Italy that runs this weekend. The major attraction during the show is a working Sam 440 system with AmigaOS 4.1 which you also can purchase.
Be sure to check out some images at Amigakits gallery here and another user gallery here.
Do not forget to check out an early show report at Amigaworld.net
Check out the official page for Pianeta Amiga here (i think)