Sony is facing a class-action lawsuit claiming the company's latest firmware update has caused major hardware issues with certain PS3s; the main hot button for console-owners is that Sony is apparently charging $150 to repair the damage.
http://arstechnica.com/gaming/news/2009/10/sony-sued-over-ps3-update-that-supposedly-bricks-consoles.ars
This didnt effect all PS3's but it may have effected some.