Bought a Bravia TV between July 1, 2007, and December 31, 2008? You might want to check whether it's still safe to use; Sony's issued a safety recall on models sold in Australia in that time period due to fire risk.
Looks like that worldwide recall of Sony BRAVIAs affects Australian models too. The ACCC recall page has the details. The specific models are the KDL-40X3100, KDL-40XBR and KDL-40W3100, sold nationally between July 2007 and December 2008. It notes that
The television may ignite internally and emit smoke while in use."
That would rather solidly worry me. What's happening is that a component within the TV may overheat and ignite at the upper rear of affected televisions. Sony's started up a programme to inspect potentially affected TVs and perform repairs where needed; if you've got a TV that falls into the potentially affected batch you can call Sony on 1300 13 7669 to arrange an inspection of your telly. [ACCC]
Image: Ambient Ideas