Computer swap meet?

Hello:

Does anyone know where a good swap meet for old
computers? I need at least a pentium-class dinosaur
to build so I can install Mandrake and fool around
with it.

I hear there is one in Scottsdale at Hayden and
McDowell, but don't know where or when this happens.

Any suggestions?

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Thanks,
Alpha Zenon Sanchez

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