If you own a Barracuda 7200.11, this might affect you. I have one of these drives and it has failed on me with some important data that had not been recently backed up! I have spoken to Seagate and they said they will contact me soon with instructions on shipping, etc...
http://news.cnet.com/8301-17938_105-10146909-1.html?tag=newsLatestHeadlinesArea.0
http://news.cnet.com/8301-17938_105-10146909-1.html?tag=newsLatestHeadlinesArea.0