This page is not meant to be an exhaustive list of all scale model related web sites. There are far better places to get that information ( for example). What you will find is a short list of those sites that I use regularly and find them of a high enough quality to recommend to you
IPMS NSW International Plastic Modellers Society - NSW Branch (my local club)
FireStorm Models Firestorm Models is a new Australian company producing a range of affordable resin figures, plaster buildings and accessories from WW2.
HyperScale An Australian based modelling website that has a very active forum, product reviews and model gallery.

Aircraft Resource Center

An excellent source of images, articles and general information on modelling scale military aircraft. Highly recommended.

Aussie Modeller

An Australian run site, dedicated to articles, galleries and discussions in a friendly helpful format.

Modeling Madness

Scale model review and interest site. Described as "the best review site on the web". You be the judge.

TwoBobs Decals

Limited run, high quality decals featuring mostly modern US jets. Great site with loads of information and colour pics of decals and reference material.

Matts Models

A showcase for the work of fellow Aussie modeler, Matthew Walker.

Silver Wing

Silver Wing Magazine is a quarterly edition. An extensive air show guide every year. Aviation news, civilian as well as military

IPMS SIG Asian Air Arms

Focusses on post-1945 military aviation in Asia for modellers. Sports a large website that is crammed full of useful info and photos, and produces a monthly newsletter.