There are venues around Auckland than host one off shows for international acts, special line up shows, top NZ pro comics and International Comedy Festival Shows
Skycity Theatre - nice venue but pricey drinks and parking.
Bruce Mason Centre - nice venue reasonable priced drinks and can find free parking if early enough.
Auckland Town Hall - temp seating, poor air con, really needs to be a top act to make worthwhile.
Aotea Centre - nice venue, close parking underneath at Civic carpark.
The Basement Theatre - Nice room quite intimate.
Q Theatre -  Has 4 venues that are usually used during the festival with a good bar and restaurant.
Q Loft is upstairs seats approx 100. Nice room with tiered seating to give good views.
Q Rangarita is on ground floor seating between 330-450 depending on layout. 
Q Vault is downstairs (from front of Q) is a small intimate room. Can get hot after a while.
Q Cellar is downstairs (from rear of Q) is also a small intimate room. Also can get a bit warm.