I ran across this video today on Youtube. 

It can be either a truck camper (shown in video) or trailer camper (mentioned in video) and has a lot of nice inside/outside access features that some of the popup manufacturers here in the states could learn from.  It's really expensive, though.

Website: http://www.wedgetailcampers.com.au/

Features:

[li]Powder coated aluminum construction[/li]
[li]Takes one person less than 10 minutes to set up or tear down.[/li]
[li]Basic (dry) weight: 420kg (924 Lbs)[/li]
[li]Fully equipped (dry) weight: 650kg (1430 Lbs)[/li]
[li]Basic: $37K (USD), Fully equipped: $42.8K (USD).  I hope those are list prices.[/li]