Are any of these dvds available in New Zealand?...I found them on amazon.com and am planning on getting 2...probably the first 2....for a total of $80 for both...after doing maths....but i wanna know if they available here...if yes...cheaper? and where?

9/11 - The Filmmakers' Commemorative Edition
CNN Tribute - America Remembers (2002)
In Memoriam - New York City, 9/11/01 DVD
Remember - September 11, 2001 DVD
World Trade Center - In Memoriam DVD
America 911 - We Will Never Forget DVD