does the intel 17" imac allow input from another pc if possible?

reading the product specs page again and i answered myself. mods, feel free to delete.

What machine lets you do this? Are you trying to use the iMac as a KVM ?

The answer for the curious, is no.
Other than using an external digitizer to send video in the Firewire or usb port, there is no way to play live video or a monitor from another source on the iMac screen. You could show another computer screen attached via a network using VNC or Timbuktu software

And to anticipate the next question, neither the digitizing solution or the software solution would be anywhere near fast enough for gaming or for most graphical user interface programs.