This.How is it that we have 7 pages of YouTube discussion and no mention of Natalie Tran (communitychannel)?! Blasphemy! She's practically the epitome of YouTube awesomeness and as a bonus, she's from Sydney.
If you are as yet a communitychannel virgin check this out:
Though it's hard to pick a favourite. Just check her channel out at YouTube - communitychannel's Channel if you haven't already.