Terabyte database (Score 1)

If you are planning a large database, you must bring in different vendors. Bring in Hitachi, EMC,IBM, SUN ask to see their proposed solutions to your problem. Let them educate you compare price per megabyte of data, do set up performance benchmarks. Make them duke it out. Each of these coprorations should have a technical pre-sales support that can give you speeds and feeds of their storage product and the sales support to give you price qote. Then you can make an educated desision. And not before.