World Unknown with Andy Blake (Dissident), Joe Hart (Bloc / Bodyhammer) and Con Mun Gos
http://www.residentadvisor.net/event.aspx?151868
--WBMX style house, electro and Italo stuff in a decent secret location. Small party, but big vibes guaranteed. You'll need to contact them for the location and to secure entry, but I can inform you that it'll be in Brixton.