travel insurance

I am from India, would like to know which would be the best option to visit Australia- use a travel agent from India or contact the operators in Australia. I tried emailing a few in Aus, but the response is not so good. Could you guys help me in understanding how tourism works in Australia, like...

Hi There! My name's Samantha and I am applying for a Working Holiday Visa. To join my love for longer than 3months and I am wondering how to go about Travel insurance?? Is it expensive??? What are my options?? Any help is greatly appreciated! Much Thanks! Samantha

My girlfriend (from the USA) applied for a Work and Holiday (subclass 462) visa online on Friday night, and surprisingly she logged in Saturday morning to find it had been granted! Didn't expect it to be that quick, especially over a weekend. :D She's probably going to come here around...