I don't know if this has been posted in another thread, but bath salts have now been reported as being abused by people giving similar effects to amphetamine. Maybe this is a result of desperate people finding a way around the recent Sudafed restrictions?
http://www.cbsnews.com/stories/2011/02/01/earlyshow/health/main7305536.shtml
http://www.cbsnews.com/stories/2011/02/01/earlyshow/health/main7305536.shtml