Another vote for Custard Factory, back there on the 6th for some HTID Action!
Corporation in Sheffield.
small dank and sweaty is how i like it. Motion's good for the right event though.
Haven't been to that many but:
Sankeys - Manchester
Plasma - Plovdiv, Bulgaria
Seb Leger dropping Pryda - Europa and you can see everyone raving at the drop, sick!