A look at what is currently available on eBay
 IOGEAR 4-PORT DUAL-LINK DVI KVMP KVM with 2.1 Sound Audio GCS1204 US $20.60 
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 DVI USB 2.0 Network Cable KVM Switch w/Audio usa US $14.15
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 Belkin SOHO 2 port DVI/KVM/Audio switch model F1DD102U US $6.50
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