Some interesting sleeping configs, don't know if I could ever get used to a hammock.
For us, it all depends on what we are doing. For the family (2 x adults and 2/3 by kids) where we can't take the trailer its the OZTent Tourer 9Plus with a couple of air beds, eldest is in my old single swag. All the cooking is done from the back of the car with a small table that slides out and gets rid of the clutter around the drawers and fridge. This tent has been serving us well since around 2004, only takes about 4 pegs minimum, heaps of room and can be set up in less than 3mins, then sucking down a cold one.
If we can take the trailer then its a king-size mattress (std canvas camping trailer tent).
Me and the 2/3 boys, just a double swag and/or a single swag. Easy up and easy down nothing to fuss about.
Just me, the double swag. I Really get an awesome sleep in my "Kings" double swag, heaps of room to put your clothes in and not interfere with sleeping or just relaxing. Now with the bigger bag can keep pillows and sleeping bag (queen-size) rolled up in it ready to go anytime.