>We want to buy computer for install SQL 2000 server, SQL 2000 server, foxpro and visual studio net.
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>Which CUP we should select AMD and Intel? We found AMD is cheaper. But Some people said Microsoft is closer to Intel than AMD.

W2K runs fine on both AMD and Intel CPUs, there are no known problems with either. AMD lately has offered somewhat better price/performance ratio but the difference is small. However the CPU choice does limit the range of motherboards; really you should evaluate motherboards rather than CPUs. Sites like Tom's Hardware Guide and AnandTech are good starting points.

You also need to decide if you want to assemble a system yourself ("white box") or buy an off-the-shelf unit from a name-brand vendor. If the former, AMD can be a good choice. If the latter, you get whatever the maker puts in the computer. AMD is not as common here as Intel but there is some presence in HP/Compaq and (IIRC) Gateway.