Cook Islands $1300 plus
All the cheapo Fiji ones seem to be incredibly short. 4-6 days!
The Bali ones are short, too, but can be extended to 21 days.
5 nights in fiji 700$
www.cnl.co.nz/hot_specials.html
various bali offers from $999
www.travelonline.co.nz/
fiji $649 (5 nights) and Bali $1099
www.unitedtravel.co.nz/RegionAsia.asp
Why do you want to know all this stuff, anyway?