Links

How to play

http://playgo.to/interactive/ - A great place for beginners to learn the rules of the game.

Go In Australia & Sydney

http://www.australiango.asn.au/ - The Australian Go Association
http://journal.go.org.au/ - The Australian Go Journel

Where to buy go equipment and books

http://www.uq.net.au/~zzjhardy/ - An Australian importer of go books and go equipment.
http://www.kiseido.com/ - A publisher of many great go books.
http://www.samarkand.net/ - The publisher of the "Learn to Play Go" series of books.
http://www.yutopian.com/ - An US-based publisher of go books.
http://www.slateandshell.com/ - Another US-based publisher of go books.

Go news and information

http://senseis.xmp.net/ - A great wiki-based source of information about the game of go.
http://gobase.org/ - A source of go news and a very large repository of tournament games from around the world.

Go problems

http://goproblems.com/ - A collection of fun go problems, useful for training and honing your skills.
http://www.hitachi.co.jp/Sp/tsumego/index-e.html - A nice collection of go problems.

Places to play online

http://www.gokgs.com/ - A great go server with many nice features.
http://www.pandanet.co.jp/English/ - Another go server with many English-speaking players.

Regular go articles

http://www.yomiuri.co.jp/dy/columns/0001/ - English language go articles from the newspaper with the largest circulation in the world.
http://times.hankooki.com/culture/fashion.htm - English language go articles from a Korean newspaper.