Hi Caddie
I know exactly where you're coming from. I can no longer buy many of the authors that I once did, but the up side is that I've discovered many new and up-and-coming writers that have literally blown my socks off.
Read an Ebook Week ends March 13. If you're quick, you'll be able to grab a heap of bargains.
The best sites I've found so far for Aussie readers:
www.smashwords.com -- samples available
www.directebooks.com
Happy reading!