I don't know what you call "expensive" nor do I know what your goals would be in having your own photo site, charlie. Your images at your Flickr site are wonderful and that platform shows your work nicely. There are some inherent problems in the Flickr platform, however, such as piracy.
In my case, my website is often the first contact that potential art buyers have to my work. My goal is not so much to "share" my images with the world. My site is my digital portfolio used to attract assignments or calls to see my physical "book" (portfolio). In that regard, cost is way down on the priority list. After consultations with professional agents, reps, art buyers and photographers consultants, the consistent message on displaying work via a website has been:
1) keep it clean and simple
2) focus on the images and forget all the fancy flash gimmicks (flash pages are not search engine friendly)
3) display the images as large as possible
4) make it fast loading & easy to navigate
Sitewelder's service is one of the least expensive user managed template systems available. The initial costs to set up a site, register a domain, etc. is roughly $350US. This gives you storage of up to (if I remember correctly) 250 images in a user managed library (these can be changed, deleleted, replaced an infinite number of times), unlimted gallery pages, informational pages (bio, contact info, et.), direct email contact from the site, etc. After the set up, the cost is $35US/month to maintain along with the cost of re-registering the domain every three years.
The most popular alternative, LiveBooks, has packages starting at $800US for a very basic site, to $3200US for and "unlimited" package. LiveBooks then has a $90/year maintenance charge for each of these packages.
All of these services have international users so being in Oz or Bali is not an issue.
I recall in a series of emails we shared several months ago that you were interested in going pro and attempting to make a living from your work. Here's a couple of links to blogs hosted by a former big-shot photo editor for a major US magazine, a well know photographer's marketing consultant and a freelance art buyer/producer. All of these blogs have lots of info about how to get your foot in the door with magazine art buyers, ad agencies, what these people like and don't like about photographer's websites, direct mail & email promos, printed portfolios, etc. If you're interested in stepping up to a career in commercial or editorial photography, I highly recommend reading the info that these three individuals share in their blogs. It has helped me immensely in making contacts, developing confidence and attracting new clients.
http://aphotoeditor.comhttp://www.burnsautoparts.com/blog/http://artproducer.blogspot.com