While not all IT disasters are of cataclysmic proportions, every weathered IT professional has <A HREF="http://www.eweek.com/article2/0,1895,2042505,00.asp?kc=EWWKDEMNL102706EOAD">an all-too-real eerie tale</A> about a day when everything went wrong. Even 10 and 50 years later, these pros retell their horror stories with a startling sharpness, more haunting than ghost stories.