Travel
http://www.skyscanner.com flights, great for cheapest day in month, chapest flight A – Anywhere or A – Australia or similar
http://www.booking.com Hotels
ACE Car rentals
APEX Car rentals

Blogs
http://surlaroutedopal.blogspot.com/ Travel with Kids 8 & 11, NZ Nord,

http://blog.travelpod.com/members/mir2  Fränzi&Christoph, Aitutaki

http://www.weltreise-mit-kind.de/ Deutsche Familie, nicht getroffen

Hotels
http://www.holidaycheck.de