http://www.itjungle.com/big/bigindex.html Description For a lot of complex reasons, mostly having to do with the cost of human engineering and the lack of volume manufacturing economies of scale, fault tolerant computing has never really gone mainstream. But the advance of technology progresses, and the four key suppliers of fault tolerant computers--Hewlett-Packard, Stratus Technologies, NEC, and Marathon Technologies--have consistently lowered the entry price of fault tolerant gear while boosting its capability. Last week, it was HP's turn with its NonStop line. http://www.itjungle.com/big/big062408-story01.html