http://www.airborne.com.au/pages/hg_hanggliders.html

http://www.airborne.com.au/images/pdf/Glider_Retail_Prices_Jan_2007.pdf

In US dollars:

C4 Gliders

Glider C4-13.5 M/Drag D/Tube $7288

C4 Alternative Base Bar (One Required)

Speed Bar Round Type 2  $0.00
Speed Bar S/Line 1380 Type 2 $580
Speed Bar Carbon $1031

Options C4

Carbon Insert Climax Ii Set  $269
 
Sting

Glider Sting 154-2xc $4173
Glider Sting 175-2xc  $4822

Fun

Glider Fun 160 $3796
Glider Fun 190 $4049
Glider Fun 220 $4824

Options Fun 160 & 190

Speed Bar Option 160 & 190 $75

Shipping to the US is not included. These are the export prices adjusted for the current Oz dollar/US dollar exchange rate. From the Lookout web site it doesn't appear as though Lookout is a very active Airborne dealer, as it doesn't even mention the C4.