There are many resources to be found online about Amateur Radio. Here are a few to get you started.
From Western Australia
VK6 Amateur Radio History and Information, by Will VK6UU
APRS Discussion Forum for APRS users in Western Australia
VK6FOX, the home for Amateur Radio Direction Finding (ARDF) of Fox Hunting in Western Australia, by Rob VK6LD
Amateur Radio News Feeds, solar feed, YouTube, etc, by Miles VK6MAB
Amateur Radio Android Applications by Heath VK6TWO/VK3TWO
Enjoy Ham Radio by Miles VK6MAB
From around the World
QRZ.com - an international site dealing with Amateur Radio
Solarham - the sunspot cycle and solar weather
eHam - product reviews
Logbook of the World (LoTW)- the ARRL information page on how to get started with logging
RigPix - a database of photos of radio equipment
Ham Info Bar is a browser toolbar especially for Amateurs. Very useful.
Work FM Amateur Radio Satellites is a great way to use your shiny new handheld to talk to the world.
VKHam.com - probably Australia's premiere Amateur Radio resource site. As well as providing a message board for people to buy, sell, swap etc equipment, it contains a host of other information for Amateurs.
ACMA Register of Communications Licenses
VKLogger.com A DX Spotter type facility, also has a discussion forum and other resources