If you're an MCP in Australia and you haven't passed any exams over the past couple of years (since July 1, 2007), then Microsoft has an offer at the moment to let you do an exam for only US$25 (until June 30, 2009). Ok, so that means the price really depends on the value of the Aussie dollar, but either way, it's not a bad opportunity.
The offer is only on for a very short time, but why not check out http://www.learnandcertify.com/mcpupgrade/ and see what you can do? I'm thinking it's a nice opportunity to knock over one of those Upgrade exams to get yourself from MCITP:SQL2005 to MCITP:SQL2008. You don't get a second shot with this one, and you can only get one voucher — but it's so cheap you may as well try it.