I am doing a project for school which involves setting up a large church with a computer system. I must do it from the hardware up,the church already has a server. Can anyone tell my what I will need and why? It will be running on a Windows XP professional OS. I already have the software figured out but I need help with the hardware. I'm just returning to school at the of 47 and I'm having trouble understanding the whats and whys of building a comp...Can anyone help me please????