tamboe,its a good idea to put your location in your profile as people can assist you better,your in aus where?great barrier reef and you have access to more live stock,
the guys here can point you to some good shops as well and as the guys will tell you,
build a plan and have lots of patience and buy the best you can and that will be your reward,
don't do it cheap as it will cost you more in the long term
the guys will help you avoid the mistakes if you listen to what they say
as they have good advice and have made the mistakes themselves