I bought 4 tickets over the phone for it as well and haven't received anything yet either, I will be calling them tomorrow for an update.
I believe they are showing it in the Holte Pub and the Holte Suite, but I may be wrong.
I downloaded the sleep talk recorder app yesterday and tested it out last night to see if it works and settle a debate between me and my missus as she claims I talk a lot in my sleep which I never believed... unfortunately for me it picked up on me saying my ex's name in my sleep - lets just say it didn't go down too well with my missus when we played it back