hey botb i ve played just the weekend before you in the Cave des cornillons!!
the most actives scenes are for me (about productions):
UK: Drum n bass - breakbeat - happy hardcore - dirty house - techno
De: Minimal - hardtechno - Speedcore - electroclash
Fr: Electro - Electrotechno - Hardtek-tribe - Frenchcore
NL: Trance - Gabber - hardstyle - deephouse - Hardcore - terror
Be: Breakcore