If your looking for good bang for your buck: http://www.penguincomputing.com/ We just ordered a Dual CPU AMD Opteron system from them for about 1/2 the cost than an equivalent machine would cost from HP, Dell* or IBM *Dell doesn't sell Opterons - just the inferior Intel EMT line (due to intels stranglehold on Dell) And Dell and HP are still about 1/2 the price of Sun... Dan -- **************************** Daniel Armbrust Biomedical Informatics Mayo Clinic Rochester daniel.armbrust(at)mayo.edu http://informatics.mayo.edu/