The Register reports some users of Intel's 320 solid state disks are suffering from a bug in the controller that can revert the device to 8MB during a power failure:
"Poster Goose" wrote a message on 1 June, quoting from a PC Review forum:
Be wary of the new Intel SSD 320 series. Currently, there's a bug in the controller that can cause the device to revert to 8MB during a power failure. AFAIK they have not yet publicly announced it, and won't have a firmware fix ready for release until the end of July.