I want to build a home gaming server.I have a Lian-Li PC 70b and a PC Power & Cooling 1000watt ps for a start.

What would be my best approach to this build? Dual Xeons, Duo-Core? Oh yes, I would like to go Intel and onboard video is acceptable, as this will be a dedicated server only. 8mb or more ram? ECC or non is ok? I plan on ArcaSimRacing,Lock-On and Teamspeak or Ventrilo as only loaded games and comms in server.

I have 1.5Mb upload and 5Mb down cable connection.I will share this with 3 computers.1-Gaming Server 1-My Gaming rig and 1-Wifes surfing and eBay.
Is this going to be acceptable?

I am completly new at this server build.Any suggestions are welcome.